Ingratiating

Tom is ingratiating himself with our new boss.

Ingratiating behaviour can be really annoying.

Never miss a chance of ingratiating yourself with the Jury, even at the expense of the Judge.

an ingratiating smile.

Mr. Alfred O'Shea, a tenorizing youth from Australia, sang several times at Queen's Hall, and may congratulate himself on being one of the 'catches' of the season. He sang airs from Italian and French operas, and also a number of Irish ditties—naturally, with a name like that and such an ingratiating McCormackian voice.