adv. [f. TREATABLE + -LY2.] In a treatable manner; † in quots., deliberately, distinctly, with clear utterance; without haste or violence, gently, easily, moderately.
14501530. Myrr. our Ladye, 53. To vse theyr tongue to say yt tretably and dystynctely, wythout faylyng or ouerskyppnge of worde or sylable.
1527. Andrew, Brunswykes Distyll. Waters, b iij b. Than make fyre vnder it that it may droppe treatably as yf you wolde tell the clock.
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.
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).