Answer:

signers

Answer	Crossword Clue
SIGNERS	Celebrities, at times
SIGNERS	John Hancock makers
SIGNERS	The U.S. Constitution had 39

SIGNERS	Declaration of Independence names
SIGNERS	Accommodating celebs
SIGNERS	They might use an X to mark the spot
SIGNERS	John Hancock and others.
SIGNERS	Fifty-six in '76
SIGNERS	Hancock, Gwinnett et al.
SIGNERS	John Hancock and others
SIGNERS	Parties to a contract

SIGNERS	Check endorsers