Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.well-ordered, regular, moderate, “δαπάνη” Pl.R.56od; “οἴκησις” Id.Criti.112 c; κόσμιόν ἐστι, c. inf., is a regular practice, Ar.Pl.565.

2. of persons, orderly, well-behaved, δίκαιοι καὶ σοφοὶ καὶ κ. ib.89; “κ. καὶ σώφρων” Lys.21.19; “κ. καὶ εὔκολοι” Pl.R.329 d; “κ. καὶ φρόνιμος ψυχή” Id.Phd.108 a; “χρηστὸς εἶ καὶ κ.” Nicopho 16; “ἥτις ἐστὶ κοσμία γυνή” Anaxandr.56, cf. Arist.Pol.1277b23; “κ. ἐν διαίτῃ” Pl. R.408 b; “πρὸς τοὺς θεούς” Id.Smp.193 a; “οἱ κοσμιώτατοι φύσει” Id.R. 564 e; of a patient, quiet, Hp.Acut.65: freq. in Oratt., of honest, orderly citizens, Lys.26.3, etc.; “τοὺς πολίτας -ιωτέρους ποιεῖν” Isoc.20.18; modest, “ὁμιλία” X.Mem.3.11.14 (Sup.); τὸ κ. decency, order, S.El. 872, Pl.Lg.802 e. Adv. κοσμίως regularly, decently, Ar.Pl.709, 978, al.; “κ. ἔχειν” Pl.Phd.68 c; κ. ἥκομεν as befits us, Id.Sph.216 a; “κ. βιοῦν” Lys.3.6: Comp. -ιώτερον“, βεβιωκέναι” Isoc.15.162: Sup. -ώτατα“, τὰς συμφορὰς φέρειν” Lys.3.4.

II. Subst. κόσμιος, ὁ, （κόσμος IV) = κοσμοπολίτης, Plu.2.600 f, Arr.Epict.1.9.1.