confidence = confiance
A word for full of confidence is, confident.
confidence
The word confidence is a noun, a singular, common, abstract noun; a word for a belief or a feeling.
The word "self-confidence" is hyphenated.
There is no word for "Jewish confidence". But if you are asking for the Hebrew word for confidence, it is bitakhon (ביטחון). If you are asking for the Yiddish word for confidence, it depends on the dialect, but one way is tzufarzicht (צופֿרזיכט).
la confiance
The root word for confidence is "fid" which means faith to everyone and everything.
"Undertaking" refers to project that a group performs. Fo example, in the sentence you wrote, it could be rewritten as: The confidence of the French in performing this policy seems well-grounded...
tou must have confidence in yourself !
Now you may proceed with confidence. The confidence man is a con-man. NOW have I gained your confidence?
Confidence means to have trust or belief in something. Synonyms for the word "confidence" include, sureness, poise, reliance, aplomb, assurance, faith, and trust.
In the King James version the word - confidence - appears 38 times the word - confidences - appears once