SG Heritage Dictionary

N. identity, sameness, coincidence, coalescence, convertibility, equality, selfness, self, oneself, identification, monotony, tautology, facsimile, homoousia, alter ego, ipsissima verba, same, self, very, one and the same, very thing, actual thing, real mccoy, no other, one and only, in the flesh

V. be identical, coincide, coalesce, merge, treat as the same, render the same, identical, identify, recognize the identity of

Adj. identical, self, ilk, the same, selfsame, one and the same, homoousian, coincide, coalescent, coalescing, indistinguishable, one, equivalent, tweedle dee and tweedle dum, much the same, of a muchness, unaltered

Adv. identically, on all fours