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"confidence" is also used as a crossword clue. If that's what you saw, the answer is often sureness (8 letters).
Definitions
freedom from doubt; belief in yourself and your abilities
Word origin
From Middle English confidence, from Latin cōnfīdentia (possibly via Old French confidence), from cōnfīdō (“believe, confide in”) from con- (“with”) + fīdō (“trust”).
Used in a sentence
“He entered the ring with confidence.”
“She had confidence it would soon end.”
“It is better to truſt in the Lord : then to put confidence in man. / It is better to truſt in the Lord : then to put confidence in Princes.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer5 curated clues
01“Belief in ability”10 letters
02“Self-trust”10 letters
03“Sure feeling”10 letters
04“Sureness in oneself”10 letters
05“Trust in one's ability”10 letters
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