1.following accepted customs and proprieties;
conventional wisdom
2.conforming with accepted standards;
a conventional view of the world
3.(weapons) using non-nuclear energy for propulsion or destruction;
conventional warfare
4.unimaginative and conformist;
conventional bourgeois lives
5.represented in simplified or symbolic form
6.in accord with or being a tradition or practice accepted from the past;
a conventional church wedding with the bride in traditional white
7.rigidly formal or bound by convention;
their ceremonious greetings did not seem heartfelt