elusion(n = noun.act) eluding, slip - the act of avoiding capture (especially by cunning);
is a kind of evasion
Derived form verb elude₁

   Act of eluding; adroit escape, as by artifice; a mockery; a cheat; trickery. [1913 Webster]

N  avoidance, abstention, abstinence, for bearance, refraining, inaction, neutrality, avoidance, evasion, elusion, seclusion, avolation, flight, escape, retreat, recoil, departure, rejection, shirker, truant, fugitive, refugee, runaway, runagate, maroon, unsought, unattempted, avoiding, neutral, shy of, elusive, evasive, fugitive, runaway, shy, wild, Adj, lest, in order to avoid, Int, forbear!, keep off, hands off!, sauve qui peut!, every man for himself!, devil take the hindmost!, things unattempted yet in prose or rhyme.