qualify (1 very common 16th-17th cent. sense, with a great variety of objects)
2.
to appease, pacify
Wint. IV. iii. [iv.] 545 “Your
discontenting father strive to
qualify.”
3.
to control, regulate
Troil. II. ii. 118*.
4.
to dilute
Oth. II. iii. 41
“one cup . . .
qualified.”
5.
to abate, diminish
(something good) Ham. IV. vii.
113.