adv. [f. TREATABLE + -LY2.] In a treatable manner; † in quots., deliberately, distinctly, with clear utterance; without haste or violence, gently, easily, moderately.

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1450–1530.  Myrr. our Ladye, 53. To vse theyr tongue to say yt tretably and dystynctely, wythout faylyng or ouerskyppnge of worde or sylable.

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1527.  Andrew, Brunswyke’s Distyll. Waters, b iij b. Than make fyre vnder it that it may droppe treatably as yf you wolde tell the clock.

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1612.  Brinsley, Lud. Lit., 151. You are to vtter each word leasurely and treatably; pronouncing euery part of it, so as euery one may write … as fast as you speake.

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1693.  Slare, in Phil. Trans., XVII. 906. In the space of a Minute I have made Twelve Respirations, (when I was very sedate, and drew in my Breath very treatably).

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