Definitions of adhere:

• verb:   be a devoted follower or supporter

  Example: "The residents of this village adhered to Catholicism"

• verb:   be compatible or in accordance with

  Example: "You must adhere to the rules"

• verb:   follow through or carry out a plan without deviation

  Example: "They adhered to their plan"

• verb:   stick to firmly

  Example: "Will this wallpaper adhere to the wall?"

• verb:   come or be in close contact with; stick or hold together and resist separation
• verb:   be loyal to