conventional

represented in simplified or symbolic form

rigidly formal or bound by convention

conforming with accepted standards

“a conventional view of the world”

following accepted customs and proprieties

“conventional wisdom”

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

“a conventional church wedding with the bride in traditional white”

unimaginative and conformist

“conventional bourgeois lives”

using energy for propulsion or destruction that is not nuclear energy

“conventional warfare”