1. Collectively
2. In unison
3. Simultaneously
4. Together
5. In combination
6. In concert
7. In league
8. In collaboration
9. In association
10. In partnership
11. In union
12. Cooperatively
13. Synergistically
14. In tandem
15. Mutually
16. Jointly and severally
17. In cooperation
18. In consort
19. In confederacy
20. In federation
21. In amalgamation
22. In concurrence
23. In unison
24. In combination
25. In symphony
26. In harmony
27. In agreement
28. In accord
29. In confederation
30. In alliance

Finding synonyms for the word «jointly» can be a great way to add variety to your writing and make it more interesting. You can also use synonyms to express yourself more clearly and accurately. Whether you’re writing a formal document, a creative piece, or just a casual conversation, having a list of the best ideas for synonyms for «jointly» can help you find the perfect word. From «collectively» to «in confederation», there are plenty of other words for «jointly» that can help you convey your meaning more precisely and effectively. With this list of 30 synonyms for «jointly», you’ll have plenty of options to choose from when it comes to finding the right word for your writing.