temper

[ˈtɛmpə]
n
a frame of mind; mood or humour
a good temper
a sudden outburst of anger; tantrum
a tendency to exhibit uncontrolled anger; irritability
a mental condition of moderation and calm (esp in the phrases keep one's temper, lose one's temper, out of temper)
the degree of hardness, elasticity, or a similar property of a metal or metal object
vb
to make more temperate, acceptable, or suitable by adding something else; moderate
he tempered his criticism with kindly sympathy
to strengthen or toughen (a metal or metal article) by heat treatment, as by heating and quenching
to adjust the frequency differences between the notes of a scale on (a keyboard instrument) in order to allow modulation into other keys.to make such an adjustment to the pitches of notes in (a scale)
a rare word for adapt
an archaic word for mix