attemper verb trans. [ǝ'tɛmpǝ] arch. ME.
[Old French atemprer (mod. attremper) from Latin attemperare, from ad AT- + temperare TEMPER verb¹.]
1. Regulate, control; order, arrange. ME-L18.
■ T. Cranmer The Holy Ghost hath so ordered and attempered the Scriptures.

2. Qualify, modify, or moderate by admixture; temper. LME.
■ Horace Walpole The most perfect taste in architecture, where grace softens dignity, and lightness attempers magnificence.

3. Make warmer or cooler. obsolete exc. as passing into sense 2. LME.
■ Evelyn Attemper the air with a fire of charcoal.

4. Moderate, assuage (passion, harshness); soothe, appease, (a person). LME.
■ Bacon How the..Habit, To be Angry, may be attempred, and calmed.

5. Restrain. Usu. refl. LME-M16.

6. Make fit or suitable; accommodate, adapt. Foll. by to. LME.
■ E. B. Pusey God often attempers Himself and His oracles to the condition of men.

7. Attune, bring into harmony. Foll. by to. L16.
■ Pope High airs, attemper'd to the vocal strings.

■ attemperament noun the bringing to a proper temper; mixture in due proportions: M17.

[TahlilGaran] English Dictionary ▲