Deviate

v. i. [imp. & p. p. DEVIATED; p. pr. & vb. n. DEVIATING.] [Lat. deviare, deviatum, from de and viare, to go, travel, from via, way; It. deviare, diviare, disviare, Pr., Sp., & Pg. desviar, Fr. dévier, O. Fr. desroyer, desveier.] To go out of one's way; to turn aside from a course or direction; to stray from a path; to err; to wander.

There nature deviates, and here wanders will. Pope.

Synonyms—To swerve; stray; wander; digress; depart; deflect; err.

v. t. To cause to deviate. “To deviate a needle.” J. D. Forbes.