Found 2 items, similar to assuredness.
English → English (WordNet) Definition: assuredness assuredness n : great coolness and composure under strain; “keep your cool” [syn: aplomb, cool, poise, sang-froid]
English → English (gcide) Definition: Assuredness Assuredness \As*sur"ed*ness\, n. The state of being assured; certainty; full confidence. [1913 Webster]