elusion

[ih-loo-zhuh n] /ɪˈlu ʒən/
noun
1.
the act of eluding; evasion.
Origin
1540-50; < Late Latin ēlūsiōn- (stem of ēlūsiō) deception, evasion, equivalent to ēlūs(us), past participle of ēlūdere to elude (ē- e-1 + lūd- play + -tus past participle suffix) + -iōn- -ion
Can be confused
allusion, delusion, elusion, hallucination, illusion (see synonym study at illusion)
Word Origin and History for elusion
n.

1540s, noun of action from elude, or from Medieval Latin elusionem (nominative elusio), noun of action from past participle stem of Latin eludere.