Webster's Revised Unabridged Dictionary · 1913

Ingratiate

Ingratiate , transitive verb

[Prefix in- in + Latin gratia. See Grace.]

1.
To introduce or commend to the favor of another; to bring into favor; to insinuate; -- used reflexively, and followed by with before the person whose favor is sought.
Lysimachus... ingratiated himself both with Philip and his pupil. — Budgell
2.
To recommend; to render easy or agreeable; -- followed by to. [Obsolete] — Dr. J. Scott
What difficulty would it [the love of Christ] not ingratiate to us? — Hammond

Ingratiate , intransitive verb

To gain favor. [Rare] — Sir W. Temple