hinge upon
Be decided by
To hinge upon something is to depend on it completely—if that thing changes, everything else follows: The whole plan hinges upon getting the permit approved.
The image is of a door on its hinge: the door can only move as the hinge allows.
Often shortened to hinge on.
- build onDevelop from existing foundation
- dependRequire for support
- contingentConditional or representative group
- conditionalDependent on prerequisites
- rest onBe supported by beneath
turn on · linchpin · ride · crux · crucial · pivot · fulcrum · turning point · hang in the balance · make or break · critical · cornerstone · pivot point · decisive · essential · foundational · determinant · reliance