The Abstention.
No, behave is a verb. The corresponding noun is behaviour.
Abstinence
The abstract noun form for the verb to behave is behavior.
possibly abstain?
The abstract noun forms of the verb to behave are behavior and the gerund, behaving.
behavior
You would normally say abstention. 'The committee voted 5 for the motion, 3 against, with 2 abstentions.' Abstaining is also a noun. Abstinence is also connected, but is a more general condition, meaning not doing something for a long stretch of time.
The word "behave" has the participles 'behaving' and 'behaved' but these are rarely adjectives without some additional modifier or prefix. These adjectives include: well-behaved badly-behaved misbehaving
yes, behave is a verb. it is to act or conduct oneself in a specified way, esp. toward others but it is also a noun.
The word 'behaved' is the past tense of the verb 'to behave'. The abstract noun form is behavior.
I think that antonym for abstain is to do it