hold together
phrasal verbhold together | hold something  together 
- to remain, or to keep something, united
- A political party should hold together.
 - It's the mother who usually holds the family together.
 
 - (of an argument, a theory or a story) to be logical or consistent
- Their case doesn't hold together when you look at the evidence.
 
 - if a machine or an object holds together or something holds it together, the different parts stay together so that it does not break