SG Heritage Dictionary

Approximation [Noun] Webster's Dictionary 1828

1. Approach; a drawing, moving or advancing near.

2. In arithmetic and algebra, a continual approach or coming nearer and nearer to a root or other quantity, without being able perhaps ever to arrive at it.

3. In medicine, communication of disease by contact.

4. A mode of cure by transplanting a disease into an animal or vegetable by immediate contact.

Approximation [Noun] Webster's Dictionary 1913

1. The act of approximating; a drawing, advancing or being near; approach; also, the result of approximating.

2. An approach to a correct estimate, calculation, or conception, or to a given quantity, quality, etc.

3. A continual approach or coming nearer to a result; as, to solve an equation by approximation.

4. A value that is nearly but not exactly correct.

Relation Roget’s Thesaurus §9

N. relation, bearing, reference, connection, concern, cognation, correlation, analogy, similarity, affinity, homology, alliance, homogeneity, association, approximation, filiation, interest, relevancy, dependency, relationship, relative position, comparison, ratio, proportion, link, tie, bond of union

V. be related, have a relation, relate to, refer to, bear upon, regard, concern, touch, affect, have to do with, pertain to, belong to, appertain to, answer to, interest, bring into relation with, bring to bear upon, connect, associate, draw a parallel, link

Adj. relative, correlative, cognate, relating to, relative to, in relation with, referable or referrible to, belonging to, appurtenant to, in common with, related, connected, implicated, associated, affiliated, allied to, en rapport, in touch with, approximative, approximating, proportional, proportionate, proportionable, allusive, comparable, in the same category, like, relevant, applicable, equiparant

Adv. relatively, pertinently, thereof, as to, as for, as respects, as regards, about, concerning, anent, relating to, as relates to, with relation, with reference to, with respect to, with regard to, in respect of, while speaking of, a propos of, in connection with, by the way, by the by, whereas, for as much as, in as much as, in point of, as far as, on the part of, on the score of, quoad hoc, pro re nata, under the head of of, in the matter of, in re

Phr. "thereby hangs a tale"

Similarity Roget’s Thesaurus §17

N. similarity, resemblance, likeness, similitude, semblance, affinity, approximation, parallelism, agreement, analogy, analogicalness, correspondence, homoiousia, parity, connaturalness, connaturality, brotherhood, family likeness, alliteration, rhyme, pun, repetition, sameness, uniformity, isogamy, analogue, the like, match, pendant, fellow companion, pair, mate, twin, double, counterpart, brother, sister, one's second self, alter ego, chip of the old block, par nobile fratrum, arcades ambo, birds of a feather, et hoc genus omne, gens de meme famille, parallel, simile, type, image, photograph, close resemblance, striking resemblance, speaking resemblance, faithful likeness, faithful resemblance

V. be similar, look like, resemble, bear resemblance, smack of, savor of, approximate, parallel, match, rhyme with, take after, imitate, favor, span, render similar, assimilate, approximate, bring near, connaturalize, make alike, rhyme, pun

Adj. similar, resembling, like, alike, twin, analogous, analogical, parallel, of a piece, such as, so, homoiousian, connatural, congener, allied to, akin to 1, approximate, much the same, near, close, something like, sort of, in the ballpark, such like, a show of, mock, pseudo, simulating, representing, exact, lifelike, faithful, true to nature, true to life, the very image, the very picture of, for all the world like, comme deux gouttes d'eau, as like as two peas in a pod, as like as it can stare, instar omnium, cast in the same mold, ridiculously like

Adv. as if, so to speak, as it were, as if it were, quasi, just as, veluti in speculum

Phr. et sic de similibus, tel maitre tel valet, tel pere tel fils, like master, like servant, like father, like son, the fruit doesn't fall far from the tree, a chip off the old block

Numeration Roget’s Thesaurus §85

N. numeration, numbering, pagination, tale, recension, enumeration, summation, reckoning, computation, supputation, calculation, calculus, algorithm, algorism, rhabdology, dactylonomy, measurement, statistics, arithmetic, analysis, algebra, geometry, analytical geometry, fluxions, differential calculus, integral calculus, infinitesimal calculus, calculus of differences, dead reckoning, muster, poll, census, capitation, roll call, recapitulation, account, notation, addition, subtraction, multiplication, division, rule of three, practice, equations, extraction of roots, reduction, involution, evolution, estimation, approximation, interpolation, differentiation, integration, abacus, logometer, slide rule, slipstick, tallies, napier's bones, calculating machine, difference engine, suan- pan, adding machine, cash register, electronic calculator, calculator, computer, arithmetician, calculator, abacist, algebraist, mathematician, statistician, geometer, programmer, accountant, auditor

V. number, count, tally, tell, call over, run over, take an account of, enumerate, muster, poll, recite, recapitulate, sum, sum up, cast up, tell off, score, cipher, compute, calculate, suppute, add, subtract, multiply, divide, extract roots, algebraize, check, prove, demonstrate, balance, audit, overhaul, take stock, affix numbers to, page, amount to, add up to, come to

Adj. numeral, numerical, arithmetical, analytic, algebraic, statistical, numerable, computable, calculable, commensurable, commensurate, incommensurable, incommensurate, innumerable, unfathomable, infinite

Adv. quantitatively, arithmetically, measurably, in numbers

Approach Roget’s Thesaurus §286

N. approach, approximation, appropinquation, access, appulse, afflux, affluxion, advent, pursuit

V. approach, approximate, appropinquate, near, get near, go near, draw near, come to close quarters, come near, move towards, set in towards, drift, make up to, gain upon, pursue, tread on the heels of, bear up, make the land, hug the shore, hug the land

Adj. approaching, approximative, affluent, impending, imminent

Adv. on the road

Int. come hither, approach, here, come, come near, forward