Definition as Noun

• orchestral music played at the beginning of an opera or oratorio
• a tentative suggestion designed to elicit the reactions of others
• something that serves as a preceding event or introduces what follows

• advance, approach, feeler

• preliminary, prelude

• "she rejected his advances"

• "training is a necessary preliminary to employment"; "drinks were the overture to dinner"

• Overture vs advance
• Overture vs approach
• Overture vs feeler
• Overture vs preliminary
• Overture vs prelude