Here are examples of the word/phrase "avow" used in a sentence and paraphrased in a sentence...
If you do what I want you to do, I promise I will avow you for that.
If you do what I want you to do, I promise I will proudly acknowledge you for that.
They avow the MVP for all that he has done for their team.
They proudly acknowledge the MVP for all that he has done for their team.
Please allow me to avow you for completing your mission.
Please allow me to proudly acknowledge you for completing your mission.
Other Examples...