noun
1.
oral exchange of information or ideas
leaned against the fence in casual conversation
Synonyms: chat, colloquy, confabulation, converse, dialogue, parley
Related Word: discussion; discourse, speech, talk
2.
an instance of conversational exchange
had a long conversation about family problems
Synonyms: colloquy, confabulation, dialogue, talk; compare chat 2
Related Word: debate, deliberation, discussion, ventilation; comment, observation, remark; cross talk, repartee