1. socially accepted: conforming to socially accepted customs of behavior or style, especially in a way that lacks imagination They didn't want a conventional wedding.
2. usual or established: using well-established methods or styles conventional cooking on a stove rather than in a microwave
3. of gathering of people: relating to a large gathering of people with a common interest or purpose
4. arms without nuclear energy: not involving the use of nuclear weapons or energy
5. law based on consent: in law, based or dependent on the consent of the various parties