clinching
verb
Definitions
To clasp; to interlock.
To make certain; to finalize.
Example: I already planned to buy the car, but the color was what really clinched it for me.
To fasten securely or permanently.
To bend and hammer the point of (a nail) so it cannot be removed.
noun
Definitions
A clinch; a passionate embrace.
A making certain or finalizing.
The distortion of computer tape by wrinkling.
adjective
Definitions
That settles something (such as an argument) definitely and conclusively