The President was 'assisted' with his speech. = The President was 'assisted' in writing his speech.
a doctor who has been involved in several 'assisted suicides'
Another doctor 'assisted' him with the operation.
(..) - Not if you want to cross. Then I consent. Sam said you wanted to see me? I did indeed. Perhaps you would be kind enough to assist me. Tell me, did you ever wonder why the men of the Night's Watch take no wives and father no children? No. So they will not love. (..)2011 TvShow: Game of Thrones Title: Baelor Season: 1 Episode 9