expatiate Synonyms

expand flesh out lucubrate exposit expound enlarge elaborate dilate yack kibbitz spin off spiel sound off chat with rarify tell why sermonise talk spout give the big picture orate involve oneself talk at length give a lecture be profuse particularisation hold forth shmooze be prolix drone on expound on spouted speechify speak explain amplify elaborated dissertate dissert discuss discoursing discourse develop descant declaim harangue jaw soliloquize sermonize recite