adjective
standing on (c. loc.), esp. with the idea of standing above, towering over Vv.63#30 (hemarathe a. = sakalaṃ ṭhānaṃ abhibhavitvā ṭhita Vv-a.269)

1. looked after, managed, undertaken governed Vin.i.57; SN.v.278 (sv’âdhiṭṭhita); Pv-a.141 (kammanta)
2. undertaking, bent on (c. acc.) Snp.820 (ekacariyaṃ).

pp. of adhiṭṭhāti