Synonym of give the lie to
To claim, to allege, especially when falsely or as a form of deliberate deception.
To feign, affect (a state, quality, etc.).
To lay claim to (an ability, status, advantage, etc.). (originally used without to)
To make oneself appear to do or be doing something; to engage in make-believe.
the act of engaging in pretend play.
Not really what it is represented as being; imaginary, feigned.