certitude
cer-ti-tude
noun
A feeling of absolute certainty or conviction about something, without any doubt.
"She spoke with complete certitude."
Thesaurus
Synonyms: cocksureness, overconfidence
cer-ti-tude
A feeling of absolute certainty or conviction about something, without any doubt.
"She spoke with complete certitude."
Synonyms: cocksureness, overconfidence