Yes, pretended is a Scrabble word!

Adjective

1. Adopted in order to deceive

Verb

1. Make believe with the intent to deceive

2. Behave unnaturally or affectedly

3. Put forward a claim and assert right or possession of

4. Put forward, of a guess, in spite of possible refutation

5. Represent fictitiously, as in a play, or pretend to be or act like

6. State insincerely