verb (used with object), in·gra·ti·at·ed, in·gra·ti·at·ing.
to establish (oneself) in the favor or good graces of others, especially by deliberate effort (usually followed by with ): He ingratiated himself with all the guests.
Origin: 1615–25; perhaps < Latinin grātiam into favor, after Italianingraziare. See in, grace, -ate1