Misgiving is a word that refers to doubts, reservations or suspicions about something. It can create a sense of uncertainty and unease. However, if one wants to express the opposite of misgiving, there are a few words and phrases they could consider. Confidence, trust, faith, belief, certainty, and assurance are some of the antonyms for misgiving. These words describe a feeling of security or certainty about something. Confidence suggests a sense of self-assurance in one's abilities. Trust implies a reliance on someone or something. Faith emphasizes a belief in something beyond oneself. Belief refers to accepting something as true. Certainty implies knowledge or conviction, while assurance suggests reassurance or guarantee.