Conforming
Part of speech: adjective
Definition: Of or pertaining to conformity.
Part of speech: verb
Definition: (of persons, often followed by to) To act in accordance with expectations; to behave in the manner of others, especially as a result of social pressure.
Conformist
Part of speech: noun
Definition: someone who conforms
Part of speech: adjective
Definition: conforming to established customs etc
Example sentence: Not long ago, a hat was a conformist accessory. Then the 1960s came along, and young people didn't want to wear hats.