Definition of "Adhere" :
verb: follow through or carry out a plan without deviation
"They adhered to their plan."
verb: come or be in close contact with; stick or hold together and resist separation
verb: stick to firmly
"Will this wallpaper adhere to the wall?."
verb: be loyal to
verb: be a devoted follower or supporter
"The residents of this village adhered to Catholicism."
verb: be compatible or in accordance with
"You must adhere to the rules."