συστρατεύω
From LSJ
ἐν δὲ δικαιοσύνῃ συλλήβδην πᾶσ' ἀρετὴ ἔνι → in justice is all virtue found in sum, in justice is every virtue there is, in justice every virtue is brought together, justice contains in itself all the virtues
English (LSJ)
more freq. in Med. συστρᾰτ-εύομαι:—
A join or share in an expedition, abs., Hdt.5.44, 6.9, 9.11, Th.1.99, 2.56, X.HG3.5.16 (Act.), etc.; τινι with another, Hdt.7.11, 9.106, Th.2.12, X.HG3.5.5 (Act.), etc.; μετά τινων Th.2.29,80, etc.; σὺν βασιλεῖ X.HG2.4.36 (Med.).--Hdt. always uses it in Med., as also Pl. (R. 468b,471d); Th. prefers Act., but also uses Med., cf. 1.99, 2.12, al., with 2.56,80, al.; X. has both, but more freq. Med., as also Lys. 20.29, etc.