listen to the pronunciation of attemper
Englisch - Englisch
To temper by adjusting relative quantities, or blending qualities
To regulate, arrange, organise

Thus fairely she attempered her feast, / And pleasd them all with meete satietie .

To mitigate, assuage
To accommodate; to make suitable; to adapt
To soften, mollify, or moderate; to soothe; to temper; as, to attemper rigid justice with clemency
{f} moderate, soften, tone down; toughen, harden
To reduce, modify, or moderate, by mixture; to temper; to regulate, as temperature
modify the temperature of; "attemper the air
To mix in just proportion; to regulate; as, a mind well attempered with kindness and justice
modify the temperature of; "attemper the air"