nonskeptic
/ˌnɒnsˈskɛptɪk/Definitions
1. noun
A person who is not skeptical; someone who is open to new ideas or accepts something without questioning.
“As a nonskeptic, she was eager to try the new restaurant.”
2. adjective
Not skeptical; unwilling to question or doubt something.
“The nonskeptic approach to science encourages experimentation and exploration.”