in-vălesco, valŭi, 3
* V. n. inch. [valeo], to become strong; only trop.
* To grow strong or powerful: tantum opibus invaluit,Cic. Mur. 15; Tac. H. 2, 98.
* To increase, prevail, predominate: libido atque luxuria invaluerat,Suet. Vesp. 11: appellatio grammaticorum invaluit,id. Gramm. 4: amor,Plin. Ep. 6, 8, 2: consuetudo,id. ib. 6, 2, 5: vitiis invalescentibus,Suet. Ner. 27: consuetudo cotidie magis invalescit,Quint. 2, 1, 1: hic effectus (opp. nihil efficit),id. 6, 1, 44.
* To come into use: verba intercidunt, invalescuntque temporibus,Quint. 10, 2, 13.

s. TLL