· orchestral music played at the beginning of an opera or oratorio
Hypernym(s): music
· something that serves as a preceding event or introduces what follows; "training is a necessary preliminary to employment"; "drinks were the overture to dinner"
Synonym(s): preliminary, prelude
Hypernym(s): origin, origination, inception
· a tentative suggestion designed to elicit the reactions of others; "she rejected his advances"
Synonym(s): advance, approach, feeler
Hypernym(s): suggestion, proposition, proffer