L&S, dignus -a -um, wrote:I. worthy, deserving (in a good or ill sense), of things, suitable, fitting, becoming, proper (very freq. in all periods and kinds of writing).—Constr., in the most finished models of composition, with the abl. pretii, a relative sentence, or absol.; in the Aug. poets also freq. with the inf.; otherwise with ut, the gen., or the acc. of a neutr. pron. or adj.
(a). With abl. (so most freq.): “dignus domino servus,”