1. 争论;辩论
Disputation is discussion on a subject which people cannot agree about.

1. a contentious speech act
a dispute where there is strong disagreement

e.g. they were involved in a violent argument

Synonym: controversycontentioncontestationdisceptationtiltargumentarguing

2. the formal presentation of a stated proposition and the opposition to it (usually followed by a vote)

Synonym: debatepublic debate