conventional

adjective

having to do with a convention or assembly
of, sanctioned by, or growing out of custom or usage; customary
1. depending on or conforming to formal or accepted standards or rules rather than nature; not natural, original, or spontaneous: conventional behavior
2. not unusual or extreme; ordinary
stylized; conventionalized
nonnuclear: conventional weapons
Law based on an agreement between parties; contractual

Related Forms:

See conventional in American Heritage Dictionary 4