Answer: fasten

AnswerCrossword Clue
FASTENHitch
FASTENBuckle
FASTENLock.
FASTENAffix.
FASTENCement.
FASTENFix firmly.
FASTENJoin.
FASTENTether.
FASTENTie.
FASTENSecure.
FASTENUse a clasp
FASTENConnect, as a seat belt
FASTENTie or clasp
FASTENSnap a snap on, say
FASTENClose, as seatbelts
FASTEN"... your seatbelts"
FASTENTie down, say
FASTENPut the screws to?
fastento secure (to make safe or certain)
fastento become fastened
fastento fix or attach firmly or securely
FASTENFix
FASTENButton up
FASTENSecure
FASTENAttach
FASTENConnect
FASTENAttach firmly
FASTENStaple, say
FASTEN".. your seatbelts"
FASTENHook up, as a seat belt
FASTENSnap together
FASTENAttach, perhaps with hardware that begins the answers to starred clues
FASTENTie up
FASTENSnap or staple
FASTENBuckle up
FASTENClick together
FASTENLock into place
FASTENJoin together
FASTENAttach securely
FASTENGet together