adj.
1.following accepted customs and proprieties
2.conforming with accepted standards
3.(weapons) using non-nuclear energy for propulsion or destruction
4.unimaginative and conformist
5.represented in simplified or symbolic form
6.in accord with or being a tradition or practice accepted from the past
7.rigidly formal or bound by convention
Idiom of the Day
take hold of (something)
to grasp something, to grip something with the hands
I took hold of the strap when I entered the train.