What is another word for "thesis"?

Roget's Thesaurus (1911) lists these synonyms for "thesis": analogy, approximation, article, association, assumed, assumption, bare, belief, blue, canvass, commentary, commentator, conceit, condition, conjecture, consideration, critic, criticism, critique, dark, data, deal, delve, descant, discourse, discoursive, discursive, discuss, discussion, disquisition, disquisitionary, dissert, dissertation, divination, editorial, essay, essayist, estimate, excursus, explanation.