Emily Dickinson Lexicon

CRE-DU'LI-TY, n. [Fr. credulité, L. credulitas, from credo, to believe. See Creed and Credulous.]

Easiness of belief; a weakness of mind by which a person is disposed to believe, or yield his assent to a declaration or proposition, without sufficient evidence of the truth of what is said or proposed; a disposition to believe on slight evidence or no evidence at all.