Conformity refers to the tendency to change our perceptions, opinions, or behavior in ways that are consistent with group norms or a change in behavior or belief as a result of real or imagined group pressure.
Other definition:
Conformity refers to an individual's Behavior corresponding to society's patterns, norms, or standards. When a person conforms to the the norms and standard of the society
Lexicon of Psychology - Terms, Treatments, Biographies,