Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun colloquy

2 senses of colloquy

Sense 1
colloquy -- (a conversation especially a formal one)
       => conference, group discussion -- (a discussion among participants who have an agreed (serious) topic)

Sense 2
colloquy -- (formal conversation)
       => conversation -- (the use of speech for informal exchange of views or ideas or information etc.)