What is another word for "thoroughly"?

Roget's Thesaurus (1911) lists these synonyms for "thoroughly": article, canvass, commentary, commentator, consideration, critic, criticism, critique, deal, delve, descant, discourse, discoursive, discursive, discuss, discussion, disquisition, disquisitionary, dissert, dissertation, editorial, essay, essayist, excursus, explanation, exposition, expository, expound, forth, handle, hold, homily, inquiry, into, investigation, justice, leader, leading, lecture, length.