A transaction between two persons whereby the first person undertakes in the future to render some service or gift to the second person or devotes something valuable now and here to his use.
To make a promise.
To state, or make something known in advance, especially using inference or special knowledge.
make a prediction about; tell in advance; "Call the outcome of an election"
a verbal commitment by one person to another agreeing to do (or not to do) something in the future
promise to undertake or give; "I promise you my best effort"
give grounds for expectations; "The new results were promising"; "The results promised fame and glory"
make a promise or commitment
grounds for feeling hopeful about the future; "there is little or no promise that he will recover"