How do you say conversation in Chinese?
— 會話, 会话 (huìhuà), 談話, 谈话 (tánhuà), 對話, 对话 (duìhuà)

Generic synonyms for conversation in Chinese
language語言, 语言 (yǔyán)
speech語言, 语言 (yǔyán), 說話, 说话 (shuōhuà), 演說, 演说 (yǎnshuō)
Specialized synonyms for conversation in Chinese
talk說話, 说话 (shuōhuà), 説, 说 (shuō), 講, 讲 (jiǎng)