adherence

noun

1. (countable, uncountable)A close physical union of two objects.
2. (countable, uncountable)Faithful support for some cause.

   “Strict adherence to the rules is required.”

   “The project failed because of poor adherence to deadlines.”

   “Religious adherence can shape a community’s culture.”

3. (countable, uncountable)An extent to which a patient continues an agreed treatment plan.
4. (countable, uncountable)The fulfilment of the legal obligation of residing with wife or husband.