1. Gullibly I accepted his protestations that he cared only for me.

2. As a result, some people become disturbed, gullibly believing such lies.

3. Synonyms for Credulously include dupably, gullibly, naively, greenly, unsuspiciously, impressionably, unsuspectingly, deceivably, exploitably and unguardedly

4. Thus, we need to use discernment and educate ourselves so that we do not gullibly believe whatever we read.