v. rare. [f. as prec. + -IZE.] In nonce-uses: a. trans. To make congenial. b. intr. To be or become congenial with; also fig.
1814. Bp. Jebb, Corr. w. A. Knox (1834), II. 195. One can feel infinitely more disposed to congenialize with an honest, orthodox, pious dissenter, than [etc.]. Ibid. (1817), Life & Lett., lxii. 575. Inward religion congenializes and cordializes human life.
1863. Dublin Univ. Mag., Oct., 440. The sunset, whose light congenialized with a small jewel on her brow.