condescend

verb

1.
behave in a patronizing and condescending manner
State:
condescension
Derived from:
condescension
2.
do something that one considers to be below one's dignity
deign descend
3.
debase oneself morally, act in an undignified, unworthy, or dishonorable way
lower lower oneself stoop
4.
treat condescendingly
patronise patronize
Derived from:
condescension
By means of:
condescension