expatiate Synonyms

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