Doublethink

Doublethink means the power of holding two contradictory beliefs in one's mind simultaneously, and accepting both of them.

The stars can be near or distant, according as we need them. Do you suppose our mathematicians are unequal to that? Have you forgotten doublethink?

Any effort by the United States to halt these creeping advances of Communist imperialism became, by the same mad process of double-think, the only kind of "intervention" there ever could be.

Or does the hypocrisy and doublethink go beyond a loathing of the human body and an acceptance of violence to a very practical fear that such a club in a predominantly middle-class Caucasian neighborhood will drive down property values?

The same sort of doublethink is evident in the White House’s treatment of firsthand impeachment witnesses.

"So we both doublethought our way around the inevitable as long as we could because we both really want the same thing and we both have policy problems with our superiors.” “I'm not sure I follow you,” Lindblad said, in a tone of voice[…]

... but, as they believed they had other reasons for supporting the invasion – be they moral, monetary or something else entirely – they doublethunk (or doublethought) it and endorsed the 'evidence' despite its lack of merit.