πρεπόντως
From LSJ
Μέλλοντα ταῦτα. Τῶν προκειμένων τι χρὴ πράσσειν· μέλει γὰρ τῶνδ' ὅτοισι χρὴ μέλειν → Tomorrow is tomorrow. Future cares have future cures, and we must mind today.
English (LSJ)
Adv. part. of πρέπω,
A fitly, meetly, A.Ag.687 (lyr.); gracefully, Pi.O.3.9, Th.4.126. 2 c. dat., in a manner befitting, suitably to, σαυτῷ τε καὶ τῇ πατρίδι π. Pl.Lg.699d, cf. 835b: c. gen., in a manner worthy of, π. τῶν πραξάντων Id.Mx.239c.
German (Pape)
[Seite 697] adv. part. praes. von πρέπω, auf geziemende od. schickliche Art; Pind. Ol. 3, 9; Aesch. Ag. 673; Eur. Rhes. 202; u. in Prosa: ὡς πρεπόντως τοῦ νεανίσκου εἰπόντος, Plat. Conv. 198 a, σαυτῷ καὶ τῇ πατρίδι πρεπόντως, Legg. III, 699 a, u. sonst.