What is the meaning of adhere?

verb

• Be compatible or in accordance with.
  • usage: "You must adhere to the rules"
• Follow through or carry out a plan without deviation.
  • usage: "They adhered to their plan"
• 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, stick, cohere
• Be a devoted follower or supporter.
  • usage: "The residents of this village adhered to Catholicism"; "She sticks to her principles"
  • synonyms: stick
• Be loyal to.
  • usage: "She stood by her husband in times of trouble"; "The friends stuck together through the war"
  • synonyms: stand by, stick by, stick
• Stick to firmly.
  • usage: "Will this wallpaper adhere to the wall"
  • synonyms: hold fast, bond, bind, stick, stick to