The quality of being evasive.

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

In an evasive manner.

plural of evasiveness

plural of evasion

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

That can be evaded.

plural of evasive action

Physical movement performed in order to avoid a collision with something (such as a vehicle or missile).

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