treatment – WordReference.com Dictionary of English

treat•ment /ˈtritmənt/ n. the act, manner, or process of treating:[uncountable] The principal’s children don’t receive special treatment from the teacher. Medicine, Psychotherapy the use of medicines, surgery, etc., in curing a person of a disorder: [uncountable] shock treatment for his depression. [countable] weekly chemotherapy treatments.

https://www.wordreference.com/definition/treatment