The Collaborative International Dictionary of English v.0.48:
Condescend \Con`de*scend"\, v. i. [imp. & p. p. Condescended;
p. pr. & vb. n. Condescending.] [F. condescendre, LL.
condescendere, fr. L. con- + descendere. See Descend.]
1. To stoop or descend; to let one's self down; to submit; to
waive the privilege of rank or dignity; to accommodate
one's self to an inferior. "Condescend to men of low
estate." --Rom. xii. 16.
Can they think me so broken, so debased
With corporal servitude, that my mind ever
Will condescend to such absurd commands? --Milton.
Spain's mighty monarch,
In gracious clemency, does condescend,
On these conditions, to become your friend.
Note: Often used ironically, implying an assumption of
Those who thought they were honoring me by
condescending to address a few words to me. --F.
2. To consent. [Obs.]
All parties willingly condescended heruento. --R.
Syn: To yield; stoop; descend; deign; vouchsafe.
[1913 Webster] Condescendence