The act of assuring; a declaration tending to inspire full confidence; something designed to give confidence. / The state of being assured; total confidence or trust; a lack of doubt; certainty.

In a perturbed manner.

(inorganic chemistry, alchemy) A metal resistant to corrosion, oxidizing and tarnishing, such as gold, platinum, copper and mercury.

(music) Alternative form of terzetto / (firearms, historical) An old Italian flintlock pistol.