sureness

Plural: surenesses

Noun

• The state or quality of being certain or confident.
• freedom from doubt; belief in yourself and your abilities
• the quality of being steady and unfailing
  • "sureness of hand"
• The property of being sure, certainty.
• The property of being sure, deft, confident of ability.
• The result or product of being sure.

Examples

• Her sureness in challenging the word paid off when it was found invalid.
• His sureness was born of having looked it up in a reputable reference book.
• The surgeon's sureness was the result of long study in school and long practice in the operating room, never did he hesitate and never was there a mis-move.

Synonyms

assurance, authority, confidence, self-assurance, self-confidence