His boss 'assured' him that he had her continued support. = His boss 'assured' him of her continued support. = “You have my continued support,” his boss 'assured' him.
You can 'rest assured' [=you can be sure] that these mistakes won't happen again. = 'Rest assured', these mistakes won't happen again.
They are not 'assured of' being paid. [=it is not certain that they will be paid]
(..) Informing NATO, informing world leaders. We should have had ambassadors on call. Joint Chiefs of Staff, the National Security... Even Nixon did that! but I want to be assured that no matter what, That can be taken care of. - I want what you have of mine. That's what you'll get. (..)2017 TvShow: House of Cards Title: Chapter 65 Season: 5 Episode 13