Allow me to try my hand at this step-ladder type of riddle...
Each clue has an answer that adds one letter to the previous answer's letters.
1. Sunshine vitamin
2. Act
3. Not a dash
4. Affectionately serve
5. Station
6. Tyrant
7. Noticed
8. Write in advance
9. Four-legged species
10. Was suppliant
11. Carried away