Webster's Revised Unabridged Dictionary · 1913

Obviate

Obviate , transitive verb

[Latin obviare; ob (see Ob-) + viare to go, from via way. See Voyage.]

1.
To meet in the way. [Obsolete]
Not to stir a step to obviate any of a different religion. — Fuller
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