treat

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treat / trēt/ • v. [tr.] 1. behave toward or deal with in a certain way: she had been brutally treated he treated her with grave courtesy. ∎  (treat something as) regard something as being of a specified nature with implications for one's actions concerning it: the names are being treated as classified information. ∎  give medical care or attention to; try to heal or cure: the two were treated for cuts and bruises. ∎  apply a process or a substance to (something) to protect or preserve it or to give it particular properties: linen creases badly unless it is treated with the appropriate finish. ∎  present or discuss (a subject): the lectures show a striking variation in the level at which subjects are treated. 2. (treat someone to) provide someone with (food, drink, or entertainment) at one's own expense: the old man had treated him to a drink or two. ∎  give someone (something) as a favor: he treated her to one of his smiles. ∎  (treat oneself) do or have something that gives one great pleasure: treat yourself—you can diet tomorrow. 3. [intr.] negotiate terms with someone, esp. an opponent: propagandists claimed that he was treating with the enemy. • n. an event or item that is out of the ordinary and gives great pleasure: he wanted to take her to the movies as a treat. ∎  used with a possessive adjective to indicate that the person specified is paying for food, entertainment, etc., for someone else: “My treat,” he insisted, reaching for the bill. DERIVATIVES: treat·a·ble adj. treat·er n.