trustingly

/ˈtrʌstɪŋli/
adverb
  1. In a way that shows confidence that someone or something is good, honest, or reliable; without suspicion.
    • The dog wagged its tail and approached the visitor trustingly.
    • He handed over his wallet trustingly, not realizing the stranger was a thief.
    • The child looked up at her mother trustingly, sure she would be caught.
Antonyms