Lexical Definition

‎πολιτεία‎ politeía (pol-ee-ti'-ah) citizenship ^G:N-F
from ‎πολίτης‎ ("polity")

commonwealth, freedom.

• citizenship
• concretely, a community

Abbott-Smith

** πολιτεία, -ας, ἡ (< πολιτεύω), [in LXX: II Mac 4:11 6:23 8:17 13:14, III Mac 3:21, 23, IV Mac 3:20 8:7 17:9*;]
1. citizenship: Ac 22:28 (III Mac 3:21, 23, Hdt., Xen., a1.).
2. government, administration (Aristoph., Dem., al.).
3. a commonwealth: Eph 2:12.†

Abbott-Smith References

Liddell-Scott-Jones

πολιτεία-εία,

Ionic dialect πολιτεία-ηΐη, ἡ, condition and rights of a citizen, citizenship, [Refs 5th c.BC+]: plural, grants of citizenship, [Refs 4th c.BC+]

__2 the daily life of a citizen, [Refs 5th c.BC+]; life, living, ἡ ἐν Βοιωτίᾳ π. [NT+2nd c.BC+]
__3 concrete, body of citizens, [Refs 4th c.BC+]
__4 = Latin civitas in geographical sense, [Refs 3rd c.AD+]
__II government, administration, [Refs 5th c.BC+]; course of policy, τῇ π. καὶ τοῖς ψηφίσμασι [Refs 4th c.BC+]: plural, acts of policy, [Refs 1st c.AD+]
__II.2 tenure of public office, πᾶσαν π. ἐπιφανῶς ἐκτελέσαι [Refs]; ἐν τοῖς τῆς π. χρόνοις [Refs 3rd c.BC+]
__III civil polity, constitution of a state, [Refs 5th c.BC+]; form of gouernment, [Refs 5th c.BC+]; τὴν ἀρίστην πολιτεύεσθαι π.[Refs 5th c.BC+]
__III.2 especially republican government, free common-wealth, [Refs 4th c.BC+]; ὅταν δὲ τὸ πλῆθος πρὸς τὸ κοινὸν πολιτεύηται συμφέρον, καλεῖται π.[Refs 5th c.BC+]

_{LSJ Scripture Refs: Eph.2.12}