transitive verb (-ated; -ating) Etymology: 2in- + Latin gratia grace Date: 1621 to gain favor or favorable acceptance for by deliberate effort, ingratiation noun ingratiatory adjective
INGRATIATE
Meaning of INGRATIATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012