colloquy

English Thesaurus

1. formal conversation (noun.communication)

hypernym	:	conversation,
definition	:	the use of speech for informal exchange of views or ideas or information etc. (noun.communication)

2. a conversation especially a formal one (noun.communication)

hypernym	:	conference, group discussion,
definition	:	a discussion among participants who have an agreed (serious) topic (noun.communication)