Adherence

The quality or state of adhering.

The state of being fixed in attachment; fidelity; steady attachment; adhesion; as, adherence to a party or to opinions.

the property of sticking together (as of glue and wood) or the joining of surfaces of different composition; "the mutual adhesiveness of cells"; "a heated hydraulic press was required for adhesion"

faithful support for a cause or political party or religion; "attachment to a formal agenda"; "adherence to a fat-free diet"; "the adhesion of Seville was decisive"