/ ɪˈveɪʒn; NAmE / noun [ C , U ]
1.
the act of avoiding sb or of avoiding sth that you are supposed to do :
His behaviour was an evasion of his responsibilities as a father.
She's been charged with tax evasion .
2.
a statement that sb makes that avoids dealing with sth or talking about sth honestly and directly :
His speech was full of evasions and half-truths.
—see also evade
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WORD ORIGIN
late Middle English (in the sense prevaricating excuse ): via Old French from Latin evasio(n-) , from evadere from e- (variant of ex- ) out of + vadere go.