Traditional

an inherited, established, or customary pattern of thought, action, or behavior (as a religious practice or a social custom)b :  a belief or story or a body of beliefs or stories relating to the past that are commonly accepted as historical though not verifiable

the handing down of information, beliefs, and customs by word of mouth or by example from one generation to another without written instruction

cultural continuity in social attitudes, customs, and institutions

characteristic manner, method, or style <in the best liberal tradition>