Liddel Scott Jones
κόσμος (κόσμος, ου,)
I. order, κόσμῳ and κατὰ κόσμον in order, duly, Il., etc.; μὰψ ἀτὰρ οὐ κατὰ κόσμον Il.; οὐδενὶ κόσμῳ in no sort of order, Hdt., attic
2. good order, good behaviour, decency, Aesch., Dem.
3. the form, fashion of a thing, Od., Hdt.
4. of states, order, government, Hdt., Thuc.
II. an ornament, decoration, embellishment, dress, Il., etc.; esp. of women, Lat. mundus muliebris, Il., Hes., etc.:—in pl. ornaments, Aesch., etc.
2. metaph. honour, credit, Hdt., Soph., etc.
III. a regulator, title of the chief magistrate in Crete, Arist.
Thayer's definitions
κόσμος, κόσμου, ὁ;
1. in Greek writings from Homer down, an apt and harmonious arrangement or constitution, or der.
2. as in Greek writings from Homer down, ornament, decoration, adornment: ἐνδύσεως ἱματίων, 1Pe 3:3 (Sir 6:30; Sir 21:21; 2Ma 2:2; the Septuagint for צָבָא of the arrangement of the stars, 'the heavenly hosts,' as the ornament of the heavens, Gen 2:1 ; Deu 4:19; Deu 17:8; Isa 24:21; Isa 40:26; besides occasionally for עֲדִי; twice for תִּפְאֶרֶת, Pro 20:29; Isa 3:19).
G2889 κόσμος kosmos (koz'-mos) n.
1. orderly arrangement, i.e. decoration.
2. (by implication) the world including its inhabitants.
His kingdom was not of this world. He didn't say his kingdom was not this planet.