उपयोगः [upayōgḥ] 1 Employment, use, application, service; ओषधान्नविहाराणामुपयोगः सुखावहः Madh. N. उपयोगं गम् or व्रज् to be used or employed, serve; व्रजन्ति ... अनङ्गलेखक्रिययोपयोगम्
[Ku.1.7.] Administration of medicines, or their preparation.
Fitness, suitableness, propriety.
Contact, proximity.
Any act contributing to the fulfilment of a desired object.
Good conduct, observing established customs.
Food; गते च दुर्वाससि सोऽम्बरीषो द्विजोपयोगातिपवित्रमाहरत्
[Bhāg.9.5.24.]