v. 1 tr. a (foll. by to) fit, adjust (one thing to another). b (foll. by to, for) make suitable for a purpose. c alter or modify (esp. a text). d arrange for broadcasting etc. 2 intr. & refl. (usu. foll. by to) become adjusted to new conditions. adaptive adj. adaptively adv.
[ F adapter f. L adaptare (as AD-, aptare f. aptus fit) ]