confidence
con-fi-dence
noun
A feeling of self-assurance and belief in one's own abilities or qualities.
"She spoke with great confidence."
noun
Trust or belief in the reliability, ability, or truth of someone or something.
"The team has full confidence in their manager."
Thesaurus
Synonyms: trust, assurance, self-assurance, sureness, self-confidence, authority
Antonyms: diffidence, self-distrust, self-doubt