The quality of being evasive.

plural of evasiveness

Tending to avoid speaking openly or making revelations about oneself. / Directed towards avoidance or escape; evasive action.

The act of eluding or evading or avoiding, particularly the pressure of an argument, accusation, charge, or interrogation; artful means of eluding.

In an evasive manner.

plural of evasion

That can be evaded.

(taxation, criminology) The illegal avoidance of paying tax, especially by making a false declaration of income etc.

The evasion, by a pathogen, of a host's immune system

plural of immune evasion