The Collaborative International Dictionary of English v.0.48:

Lavish \Lav"ish\, v. t. [imp. & p. p. Lavished (-[i^]sht); p.
   pr. & vb. n. Lavishing.]
   To expend or bestow with profusion; to use with prodigality;
   to squander; as, to lavish money or praise.
   [1913 Webster]