The Collaborative International Dictionary of English v.0.48:

Passionate \Pas"sion*ate\, a. [LL. passionatus: cf. F.
   passionn['e].]
   1. Capable or susceptible of passion, or of different
      passions; easily moved, excited or agitated; specifically,
      easily moved to anger; irascible; quick-tempered; as, a
      passionate nature.
      [1913 Webster]

            Homer's Achilles is haughty and passionate. --Prior.
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   2. Characterized by passion; expressing passion; ardent in
      feeling or desire; vehement; warm; as, a passionate
      friendship. "The passionate Pilgrim." --Shak.
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   3. Suffering; sorrowful. [Obs.] --Shak.
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The Collaborative International Dictionary of English v.0.48:

Passionate \Pas"sion*ate\, v. i.
   1. To affect with passion; to impassion. [Obs.]
      [1913 Webster]

            Great pleasure, mixed with pitiful regard,
            The godly king and queen did passionate. --Spenser.
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   2. To express feelingly or sorrowfully. [Obs.] --Shak.
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WordNet (r) 3.0 (2006):

passionate
    adj 1: having or expressing strong emotions [ant: passionless]