|Noah Webster's Dictionary|
1. (n.) A feigning to believe, as in the play of children; a mere pretense; a fiction; an invention.
2. (a.) Feigned; insincere.
Make-believe (1 Occurrence)
2 Timothy 3:5 and will keep up a make-believe of piety and yet live in defiance of its power. Turn away from people of this sort. (WEY)