A new thing synonym

Here are some synonyms for "a new thing":

1. Innovation
2. Discovery
3. Breakthrough
4. Development
5. Experiment
6. Pilot
7. Prototype
8. Concept
9. Idea
10. Novelty
11. Fresh start
12. Introduction
13. Launch
14. Debut
15. Premiere

Note that some of these words may have slightly different connotations or nuances, so choose the one that best fits the context in which you're using it.