FELIC'ITATE, verb transitive [Latin felicito, from felix, happy.]

1. To make very happy.

What a glorious entertainment and pleasure would fill and felicitate his spirit, if he could grasp all in a single survey.

More generally,

2. To congratulate; to express joy or pleasure to. We felicitate our friends on the acquisition of good, or an escape from evil.

FELIC'ITATE, adjective Made very happy.