criminal law and procedure
To move towards a witness in order to show him or her a document or exhibit. In some jurisdictions, an attorney must request to approach a witness, i.e. "May I approach the witness?"
See, e.g. Michaels v. State, 970 A.2d 223 (Del. 2009).
To move towards the bench in order to have a conversation with the judge and opposing counsel off the record and/or out of the jury's earshot. An attorney or juror (during voir dire) must request to approach the bench, i.e. "Your honor, may I approach the bench?"
Illustrative case law
See, e.g. People v. Maher, 675 N.E.2d 833 (N.Y. 1996).
To assist someone in committing or encourage someone to commit a crime. Generally, an aider and abettor is criminally liable to the same extent as the principal. Also called "aid or abet" and "counsel and procure."