Emily Dickinson Lexicon

RAVE, v.i. [D. revelen, to rave, Eng. to revel; Sp. rabiar; Port. raivar; L. rabio, to rave, to rage or be furious; rabies, rage; It. rabbia, whence arrabbiare, to enrage; Fr. rêver, if not a contracted word; Dan. raver, to reel. See Class Rb, No. 27, 34.]

1. To wander in mind or intellect; to be delirious; to talk irrationally; to be wild. When men thus rave, we may conclude their brains are turned. – Gov. of the Tongue.
2. To utter furious exclamations; to be furious or raging as a madman. Have I not cause to rave and beat my breast? – Addison.
3. To dote; to be unreasonably fond; followed by upon; as, to rave upon antiquity. [Hardly proper.] – Locke.