WordNet
n. the right to hold unpopular ideas
Wikipedia
Freedom of thought (also called the freedom of conscience or ideas) is the freedom of an individual to hold or consider a fact, viewpoint, or thought, independent of others' viewpoints. It is different from and not to be confused with the concept of freedom of speech or expression.
Usage examples of "freedom of thought".
He was abusing Big Brother, he was denouncing the dictatorship of the Party, he was demanding the immediate conclusion of peace with Eurasia, he was advocating freedom of speech, freedom of the Press, freedom of assembly, freedom of thought, he was crying hysterically that the revolution had been betrayed -- and all this in rapid polysyllabic speech which was a sort of parody of the habitual style of the orators of the Party, and even contained Newspeak words: more Newspeak words, indeed, than any Party member would normally use in real life.
But he does not recognize the right of others to interfere with his freedom of thought.
But a sound mind, that does not feed on empty words, looks upon this freedom of thought only as simply absurd, and, what is more, as sinful.
The first of these was the tendency of the royal courts concerned, towards the restoration of unfair privilege and interference with freedom of thought and writing and teaching.
It was not too many years after our victory before the charter was passed allowing for freedom of thought for the elite of our citizenry.
While the ammunition bearers were too busy and far too strained to give much thought to the purpose or morality of their task, Sinbad had just enough freedom of thought to question his basic philosophy.
His freedom of thought, his boldness of speech, and his love of truth are, if I am any judge in these matters, the same in 1787 as in 1781.
It had been Woodcarver who taught him about freedom of thought and experiment.
Three premises are the basis of all research: freedom of thought, a gift for observation and a sense of connections.