'Close upon all' is an expression that can have multiple synonyms depending on the context it's used in. Some of the synonyms that can replace this phrase are 'comprehensive,' 'all-inclusive,' 'all-encompassing,' 'everyone involved,' and 'across-the-board.' These phrases can be used in situations where something affects or involves everything or everyone in a particular circumstance. These synonyms can also be used interchangeably, depending on the tone, urgency, and context of the subject matter. Regardless of which synonym you use, it sets the tone that everything must be accounted for, and nothing can be left out.