The Collaborative International Dictionary of English v.0.48:

Enubilate \E*nu"bi*late\, v. t. [L. enubilatus, p. p. of
   enubilare to enubilate; e out + nubila clouds, fr. nubilis
   cloudy, nubes cloud.]
   To clear from mist, clouds, or obscurity. [R.] --Bailey.
   [1913 Webster]