certitude
noun /ˈsɜːtɪtjuːd/
/ˈsɜːrtɪtuːd/
[uncountable, countable] (formal)- a feeling of being certain; a thing about which you are certain
- ‘You will like Rome,’ he said, with absolute certitude.
- the collapse of moral certitudes
Word Originlate Middle English: from late Latin certitudo, from certus ‘certain’.