freedom of thought
Noun
Meaning
the right to hold unpopular ideas
Source: WordNetAntonyms
Hypernyms
Examples
Freedom of thought and inquiry was not only a God-given prerogative but also the best protection against error: "Let her and Falsehood grapple; who ever knew Truth put to the worse, in a free and open encounter?"
They have rightly demanded their civil rights be honored and respected — this is what the Sakharov Prize for Freedom of Thought is all about.
Freedom of thought needs an atmosphere of tolerance where people can speak their mind and no one is forced to accept the beliefs of others.