clinch
[verb]
Synonyms: settle, conclude, confirm, decide, determine, seal, secure, set the seal on, sew up (informal)

[TahlilGaran] English Synonym Dictionary ▲

I. clinch¹ /klɪntʃ/ verb
[Date: 1500-1600; Origin: Probably from clench]

1. [transitive] to finally agree on something or get something after trying very hard:
a young salesman eager to clinch the deal
clinch a match/championship/victory etc
A last-minute touchdown clinched the game.

2. clinch it informal if an event, situation, process etc clinches it, it makes someone finally decide to do something that they were already thinking of doing:
We’d talked about moving, and the burglary clinched it for us.

3. [intransitive] if two people clinch, they hold each other’s arms tightly, especially when fighting

[TahlilGaran] Dictionary of Contemporary English ▲

II. clinch² noun [countable]

1. a situation in which two people hold each other’s arms tightly, especially when they are fighting

2. a situation in which two people who love each other hold each other tightly Synonym : embrace

[TahlilGaran] Dictionary of Contemporary English ▲