The Collaborative International Dictionary of English v.0.48:
Obviate \Ob"vi*ate\, v. t. [imp. & p. p. Obviated; p. pr. &
vb. n. Obviating.] [L. obviare; ob (see Ob-) + viare to
go, fr. via way. See Voyage.]
1. To meet in the way. [Obs.]
Not to stir a step to obviate any of a different
2. To anticipate; to prevent by interception; to remove from
the way or path; to make unnecessary; as, to obviate the
necessity of going.
To lay down everything in its full light, so as to
obviate all exceptions. --Woodward.