certitude

US /ˈsɝː.t̬ə.tuːd/
UK /ˈsɝː.t̬ə.tuːd/
"certitude" picture
1.

确信, 肯定

absolute certainty or conviction that something is the case

:
He spoke with certitude about his beliefs.
他带着确信谈论自己的信仰。
There was a sense of certitude in her voice.
她的声音里带着一种确信