Also 5 evagacion, -cyon. [First introduced in the fig. sense 2; a. F. évagation, L. ēvagātiōn-em, n. of action f. ēvagārī, f. ē out + vagārī to wander.]
1. The action of wandering away, or departing from a specified locality, prescribed course, etc.; rambling, roving; an instance of the same.
1691. Ray, Creation (1714), 220. Long Ridges of Mountains serve to stop the evagation of the Vapours.
1713. Derham, Phys.-Theol. (1727), 118. To Bridle the Evagation of the Sound. Ibid. (1714), Astro-Theol., VI. iii. (1769), 154. The preventing the evagation of the Planets.
1785. Landen, Rot. Motion, in Phil. Trans., LXXV. 328. That evagation is caused by the motive forces urging the body to turn about AB, AC, AD, conjunctly.
1802. Paley, Nat. Theol., xxii. (1819), 355. If the prevailing law had transgressed the limits above assigned, every evagation [of a planet] would have been fatal.
b. In speech or discussion: A digression.
a. 1656. Hales, Gold. Rem. (1688), 571. They have held the Synod with delays, stays and evagations.
1887. Blackw. Mag., Oct., 504/2. Leading us, even though by very tedious evagations, up to a noble climax.
† 2. Wandering of the mind, thoughts, spirit, etc. (Mentioned as one of the branches of Accidia or Sloth, one of the seven mortal sins.)
c. 1425. trans. T. à Kempis Consol., III. xxvii. Restreyne all euel evagacions & all miȝty temptacions.
1502. Ord. Crysten Men (W. de W., 1506), II. vii. 102. Euagacyon of thought is to gyue & occupye himselfe with talkynge in folysshe and vayne langage.
1503. Sheph. Kalender, vii. (ed. Paris), 51. Heyr followys the branchys of sweyrnes, qwych ar ewylthoght, enwy of good ewagacyon [1508 Euagacyon] [etc.].
1526. Pilgr. Perf. (W. de W., 1531), 94 b. Euagacyon of mynde is ye doughter of slouth.
1607. Schol. Disc. agst. Antichr., I. iii. 161. That euagation of the soule is not ex fragilitate.
1677. Gale, Crt. Gentiles, II. III. 63. The soul is moved even unto an ecstasie or divine evagation.
† 3. a. A diversion. b. A departure from propriety, an extravagance. Obs.
1638. Walton, in Reliq. Wotton. (1672), 579. You married men are deprived of these evagations.
1649. J. Hall, Motion to Parl., 8. Neither subject to these wilde evagations, nor savage rudenesses.