To choose for or take to one's self; make one's own by selection or assent; receive or agree to as a personal belonging or opinion: as, to adopt a name or an idea; an adopted citizen or country; the meeting adopted the resolution.Specifically, to admit into a relation of affiliation; confer the rights or privileges of kinship upon, as one who is not naturally related or connected; especially, to receive and treat as a child or member of one's family, etc.: as, the orphans were adopted by friends. See adoption, 2. To take or receive into any kind of new relationship: as, to adopt a person as an heir, or as a friend, guide, or example.In euchre, to play with the suit turned up for trumps: a privilege of the dealer.