Synonyms for Wide-eyed:

adj.

all (adjective)
wide.
dewy-eyed (adjective)
inexperienced, naive.
gullible (adjective)
simple.
innocent (adjective)
childlike, open, dewy-eyed.

n.

absent, appealing, beatific, black, bleak, brooding, curious, dark, darkly, bug-eyed. illiterate, inexperienced, uneducated, uninitiated, unqualified, unskilled, untrained, untried, be unused to (doing) something. wide-eyed (noun)
childlike, dewy-eyed, naif, naive, open, opened, round-eyed, simple, wide.

Other synonyms:

adj.
naive.
n.
childlike, dewy-eyed, round-eyed, simple, wide.
n. t.
open.