monograph, tract, tractate†, tractation†; discourse, memoir,
disquisition, lecture, sermon, homily, pandect†; excursus.
commentary, review, critique, criticism, article; leader, leading
article; editorial; running commentary.
investigation &c (inquiry) 461; study &c (consideration) 451;
discussion &c (reasoning) 476; exposition &c (explanation) 522.
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 [oral dissertation], discourse, delve into.
Adj. discursive, discoursive†; disquisitionary†; expository.