tie down

verbs

secure with or as if with ropes
"tie down the prisoners"; "tie up the old newspapers and bring them to the recycling shed"
bind, tie down, tie up, truss
restrain from independence by an obligation
"He was tied down by his work"
tie down
is a type of (narrower)
bind by an obligation; cause to be indebted
"He's held by a contract"; "I'll hold you by your promise"
bind, hold, obligate, oblige