(idiomatic) To believe; to accept a craze or fad as valid. / (finance) To buy stocks or shares of (a business).

plural of buying

Third-person singular simple present indicative form of buy into

present participle of buy into

Alternative spelling of buy-in

To accept an idea as valid; to join in on a concept. / To invest as part of a group; to put one's personal stake in an investment. / To buy back for the owner at an auction.

Third-person singular simple present indicative form of buy it

A surname.

present participle of buy it

Third-person singular simple present indicative form of buy in