expound

verb ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about expound at Wordnik → Where our words come from →

1. Add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing.

   She elaborated on the main ideas in her dissertation

2. State.

   set forth one's reasons