What are the opposite words for pessimism?

Optimism is the most commonly used antonym for the word pessimism. Optimism is the opposite of pessimism, as it is a positive and hopeful outlook on life. It is the belief that things will work out in the end, and that the future will be full of opportunities and growth. Other antonyms for pessimism include positivity, hope, confidence, and positivity. These words all convey a sense of hope, faith, and positivity, which make them ideal antonyms for pessimism. They remind us to focus on the positive aspects of life and let go of negative thoughts that hold us back. In essence, antonyms for pessimism encourage us to choose hope over despair, positivity over negativity, and confidence over self-doubt.