1. to accuse, charge, indict (transitive)

2. to criminate (transitive)

3. to arraign (transitive)

4. to prosecute (transitive)

5. to acknowledge (to notify sender of having received) (transitive)

6. to confess (reflexive)

7. to show; to show signs of (also reflexive)

8. to snitch, tattle, rat, egg, squeal (colloquial)