buy-in

noun /ˈbaɪ.ɪn/

Definition

› [C] a situation in which a person or group buys enough shares in a company to get control of it: She led a buy-in of the group and is now its director. › [C] a situation in which a company buys its own shares from shareholders › [U] the fact of agreeing with and accepting something that someone suggests: If you want to go ahead with these plans, you'll need buy-in from the staff.

(Definition of buy-in noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)