One word substitution: something that can be believed.

  • A. credible
  • B. credulous
  • C. incredible
  • D. creditable

Explanation

Credible means believable, while credulous describes a person who believes too readily, and confusing the two is the point of the question. Incredible means unbelievable and creditable means deserving praise. All four share the Latin root credere, meaning to believe.

Related questions