1. Keep
2. Preserve
3. Store
4. Secure
5. Maintain
6. Reserve
7. Hold
8. Hoard
9. Accumulate
10. Lock away
11. Withhold
12. Secure
13. Retain possession of
14. Refrain from relinquishing
15. Grasp
16. Possess
17. Retain control of
18. Cling to
19. Have and hold
20. Hang onto
21. Save
22. Store up
23. Retain ownership of
24. Continue to have
25. Retain authority over
26. Sustain
27. Save up
28. Reserve for oneself
29. Guard
30. Reserve the right to

Searching for alternative words for “retain” can be a daunting task. Fortunately, there are plenty of synonyms available to choose from. From “keep” and “preserve” to “hold” and “maintain”, there are many different words with similar meanings that can be used to describe the concept of retaining something. Whether you are looking for the best words to use in a creative writing project or just need to come up with a few alternatives for a school assignment, these synonyms are sure to help. Additionally, these synonyms can also be used to describe the concept of possession, ownership, and control. With so many great ideas to choose from, finding the perfect synonym for “retain” is easy.