What is the meaning of cohere?

verb

• Come or be in close contact with; stick or hold together and resist separation.
  • usage: "The dress clings to her body"; "The label stuck to the box"; "The sushi rice grains cohere"
  • synonyms: cling, cleave, adhere, stick
• Cause to form a united, orderly, and aesthetically consistent whole.
  • usage: "Religion can cohere social groups"
• Have internal elements or parts logically connected so that aesthetic consistency results.
  • usage: "the principles by which societies cohere"