Yes, posing is a Scrabble word!

Verb

1. Introduce

2. Assume a posture as for artistic purposes

3. Pretend to be someone you are not; sometimes with fraudulent intentions

4. Behave affectedly or unnaturally in order to impress others

5. Put into a certain place or abstract location

6. Be a mystery or bewildering to

Noun

1. (photography) the act of assuming a certain position (as for a photograph or portrait)