"si bon" means "so good" in French. Used in a complete phrase, it might be the last two-thirds of a common French expression "C'est si bon" or "It is good"/ "That's good"/ "It's so good" in English.
'Bon' means 'good' in French.
If you mean "Bonte divine," it means divine goodness.
Someone who enjoys life with good eating, good drinking, and so on
It is the masculine spelling for good. The feminine spelling is bonne.
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