1.Definition: a tentative suggestion designed to elicit the reactions of others

Related Noun(s):advance, approach, feeler

Category: General

2.Definition: orchestral music played at the beginning of an opera or oratorio

Category: General

3.Definition: something that serves as a preceding event or introduces what follows

"Training is a necessary preliminary to employment", "Drinks were the overture to dinner"

Related Noun(s):preliminary, prelude

Category: General