Noun
The state of being sure; certainty.
Source: Webster's dictionaryAzriel placed a gentle hand around her waist, pulling her to his side with the sureness that came with years of being together. Source: Internet
He asked, before quickly converting his clumsy surprise into a sly sureness. Source: Internet
She pledges a loyalty to her inalienable past, to the places where she’s come from, both good and bad, with a work-with-whatcha-got spirit fueled by the sureness of her identity. Source: Internet