Enthusiasm is a feeling of excitement and eagerness. It is often associated with positive emotions such as joy, happiness, and optimism. The term enthusiasm comes from the Greek word enthousiasmos, which means 'divinely inspired'. The crossword solution for enthusiasm is PEP, which stands for Positive Energy and Passion. PEP is an acronym that encourages people to be passionate and energetic in their pursuits. It is a reminder to stay motivated and to keep striving for success.