N. dissertation, treatise, essay,
thesis,
theme,
monograph, tract,
tractate,
tractation, discourse, memoir,
disquisition,
lecture,
sermon,
homily,
pandect,
excursus, commentary, review,
critique, criticism, article, leader, leading article,
editorial, running commentary, investigation, study, discussion, exposition,
commentator, critic,
essayist,
pamphleteer V. expound upon a subject, dissert upon a subject, descant upon a subject, write upon a subject, touch upon a subject, treat a subject, treat a subject thoroughly, treat of a subject, take up a subject, ventilate a subject, discuss a subject, deal with a subject, go into a subject, go into a subject at length, canvass a subject, handle a subject, do justice to a subject, hold forth, discourse, delve into
