Answer: INSPO

Inspo is a commonly used abbreviation for inspiration. It refers to something or someone that motivates or inspires others. It is often used to describe motivational content, such as quotes, images, or stories, which aim to inspire individuals to pursue their goals or aspirations.

Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Creative spark, informally. Explanations are generated by AI and may be inaccurate.