Definitions of conventional:

• adjective:   conforming with accepted standards

  Example: "A conventional view of the world"

• adjective:   represented in simplified or symbolic form
• adjective:   following accepted customs and proprieties

  Example: "Conventional wisdom"

• adjective:   unimaginative and conformist

  Example: "Conventional bourgeois lives"

• adjective:   (weapons) using non-nuclear energy for propulsion or destruction

  Example: "Conventional warfare"

• adjective:   in accord with or being a tradition or practice accepted from the past

  Example: "A conventional church wedding with the bride in traditional white"

• adjective:   rigidly formal or bound by convention