Conventional (adjective)

1. Based on or in accordance with what is generally done or believed.
2. Following accepted customs and proprieties.
3. Ordinary and not different from what is usual.

Origin:

Late middle english: from latin conventionalis, from conventio(n-) "agreement, convention" (see convention).

Examples:

1. The company uses conventional methods of advertising.
2. The conventional way of doing things.
3. He is a conventional thinker.
4. Conventional wisdom.
5. The conventional forms of address.