My view: A promise is when you assume an obligation to do something for that person. Assuring someone is more like taking a responsibility for your words.
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Ant_222My view:This is OK.
A promise is when you assume an obligation to do something for that person.
CalifJimWhen you assure someone of something, you tell them that they can be sure of it. It's a pledge of your sincerity.
When you promise or give your word1, you take an obligation upon yourself; you commit yourself to some future action.
They are really very different. One does not "keep an assurance" or "fulfill an