At the time of the flight she had “regained her appetite” and was able to walk with assistance as well.
Melissa Clark writes about cuisine and other products of appetite.
He had no appetite to jockey for power with those running the communications team in Chicago.
c.1300, "craving for food," from Anglo-French appetit, Old French apetit (13c.) "appetite, desire, eagerness," from Latin appetitus "appetite," literally "desire toward," from appetitus, past participle of appetere "to long for, desire; strive for, grasp at," from ad- "to" (see ad-) + petere "go to, seek out" (see petition (n.)).
Of other desires or cravings, from late 14c. As an adjective form, OED lists appetitious (1650s) and appetitual (1610s) as "obsolete," but appetitive (1570s) continues.
appetite ap·pe·tite (āp'ĭ-tīt')
An instinctive physical desire, as for food or sex.