regaliter
From LSJ
Quibus enim nihil est in ipsis opis ad bene beateque vivendum → Every age is burdensome to those who have no means of living well and happily
rēgālĭtĕr, royalement, en roi : Liv. 42, 51, 2 || en despote : Ov. M. 2, 397 || -lius J. Val. 1, 7.