ingratiate
v.
1620s, possibly via 16c. Italian ingraziarsi "to bring (oneself) into favor," from Latin in gratiam "for the favor of," from in "in" (see in-(2)) + gratia "favor, grace" (see grace).
〔李〕[in-=into成;grat=pleasing惹人喜欢的;-i-;-ate v.=to make使……→“to make into a pleasing person使成为讨人喜欢的人”→] v. bring oneself into favour with讨好,巴结