Yes, representing is a Scrabble word!

Verb

1. Take the place of or be parallel or equivalent to
2. Express indirectly by an image, form, or model; be a symbol
3. Be representative or typical for
4. Be a delegate or spokesperson for; represent somebody's interest or be a proxy or substitute for, as of politicians and office holders representing their constituents, or of a tenant representing other tenants in a housing dispute
5. Serve as a means of expressing something
6. Be characteristic of
7. Form or compose
8. Be the defense counsel for someone in a trial
9. Create an image or likeness of
10. Play a role or part
11. Perform (a play), especially on a stage
12. Describe or present, usually with respect to a particular quality
13. Point out or draw attention to in protest or remonstrance
14. Bring forward and present to the mind
15. To establish a mapping (of mathematical elements or sets)