The term "mis-doubting" means to doubt unjustifiably or for no good reason. The antonyms for this word would thus be those that connote certainty or trust, such as confidence, belief, trust, faith, assurance, conviction, and affirmation. By replacing "mis-doubting" with these antonyms, one can imply a sense of belief or trust that can help them overcome their doubts or insecurities. Having faith in oneself and one's abilities is crucial to success, and using antonyms for "mis-doubting" can assist individuals in cultivating a more optimistic and positive outlook, allowing them to approach new situations with greater confidence and poise.