adherence

noun

1. the quality of adhering; steady devotion, support, allegiance, or attachment: adherence to a party; rigid adherence to rules.
2. the act or state of adhering; adhesion.

n.

mid-15c., “attachment to a person, support,” from Middle French adhérence, from Latin adhaerentia, noun of action from adhaerentem (nominative adhaerens), present participle of adhaerare (see adherent).

n.

1. The extent to which the patient continues the agreed-upon mode of treatment under limited supervision when faced with conflicting demands, as distinguished from compliance or maintenance.