noun, noun or participle which takes 'suru', intransitive verb
agreement; coincidence; congeniality
Describes opinions, feelings, or interests matching well; often used in the phrase 意気投合する (hit it off).
二人はすぐに意気投合した。
The two hit it off right away.
趣味が投合して
Our hobbies coincide, so we often go fishing together.