confident

confident /ˈkɑːnfədənt/ adjective
confident
/ˈkɑːnfədənt/
adjective
Britannica Dictionary definition of CONFIDENT
[more confident; most confident]
1 
a  : having a feeling or belief that you can do something well or succeed at something : having confidence
— see also overconfident, self-confident
b  : showing that you have confidence
2 
not used before a noun : certain that something will happen or that something is true

— confidently

adverb