credulity

noun

A tendency to be too ready to believe that something is real or true.

SYNONYMS

blind faithcallownesschildlikenesscredulousnessgreennessguilelessnessgullibilitygulliblenessignoranceingenuousnessinnocencelack of experiencelack of sophisticationlack of suspicionnaivenessnaivetyover-trustfulnesssimplenesssimplicitytrustfulnessunworldliness