At‐tem″per (�), v. t. [imp. & p. p.Attempered (�); p. pr. & vb. n.Attempering.] [OF. atemprer, fr. L. attemperare; ad + temperare to soften, temper. See Temper, and cf. Attemperate.] 1. To reduce, modify, or moderate, by mixture; to temper; to regulate, as temperature.
If sweet with bitter... were not attempered still.
Trench.
2. To soften, mollify, or moderate; to soothe; to temper; as, to attemper rigid justice with clemency.
3. To mix in just proportion; to regulate; as, a mind well attempered with kindness and justice.
4. To accommodate; to make suitable; to adapt.
Arts... attempered to the lyre.
Pope.
☞ This word is now not much used, the verb temper taking its place.