incredulity
1 antonym for incredulity — opposites grouped by meaning.
Noun — A feeling of being unable or unwilling to believe something.
Antonyms
Etymology
Attested since 1430, the word came into English as Middle English incredulite, from Old French incredulité, from Late Latin incredulitas, from Latin incredulus (“unbelieving”) + -itas (“-ity”); it is equivalent to incredulous + -ity.
Full origin of incredulity →