Final answer:
The term synonymous with 'a CREDULOUS audience' is Gullible.
Step-by-step explanation:
The term synonymous with 'a CREDULOUS audience' is Gullible. A credulous audience refers to one that is easily convinced or believes things without questioning or doubt. Similarly, a gullible audience is one that is easily tricked or deceived. For example, a gullible audience may believe false information without seeking evidence or verification.