Found 2 items, similar to credulousness.
English → English (WordNet) Definition: credulousness credulousness n : tendency to believe too readily and therefore to be easily deceived [syn: gullibility]
English → English (gcide) Definition: Credulousness Credulousness \Cred"u*lous*ness\, n. Readiness to believe on slight evidence; credulity. [1913 Webster] Beyond all credulity is the credulousness of atheists. --S. Clarke. [1913 Webster]