Webster's Revised Unabridged Dictionary · 1913

Felicitate

Felicitate , adjective

[Latin felicitatus, past participle of felicitare to felicitate, from felix, -icis, happy. See felicity.]

Made very happy. [Archaic]
I am alone felicitate In your dear highness' love. — Shakespeare

Felicitate , transitive verb

[Compare French féliciter.]

1.
To make very happy; to delight.
What a glorious entertainment and pleasure would fill and felicitate his spirit. — I. Watts
2.
To express joy or pleasure to; to wish felicity to; to call or consider (one's self) happy; to congratulate.
Every true heart must felicitate itself that its lot is cast in this kingdom. — W. Howitt