Frequency: The word is one of the 3000 most common words in English.
1.
Acceptable activities and situations are those that most people approve of or consider to be normal.
It is becoming more ~ for women to drink alcohol...
The air pollution exceeds most ~ levels by 10 times or more.
? un~
ADJ
acceptability
...an increase in the social acceptability of divorce.
N-UNCOUNT: usu N of n
acceptably
The aim of discipline is to teach children to behave acceptably.
ADV
2.
If something is ~ to someone, they agree to consider it, use it, or allow it to happen.
They have thrashed out a compromise formula ~ to Moscow...
They recently failed to negotiate a mutually ~ new contract.
? un~
ADJ: oft ADJ to n
3.
If you describe something as ~, you mean that it is good enough or fairly good.
On the far side of the street was a restaurant that looked ~...
ADJ
acceptably
...a method that provides an acceptably accurate solution to a problem...
ADV: ADV adj, ADV with v