νεωτερ-ίζω · neōter-izō — LSJ
make innovations, περὶ γυμναστικὴν καὶ μουσικήν Pl. R. 424b; ἐν ταῖς παιδιαῖς Id. Lg. 798c; of climatic change, ν. ἐς τὴν ἀσθένειαν change [health] into sickness, Th. 7.87.
freq. with an implication of violence, use forcible measures, μὴ σφῶν πέρι ν. μηδέν Id. 1.58; ἔς τινάς τι ν. Id. 4.51; ἐς οὐδένα οὐδὲν ἐνεωτέριζον Id. 2.3, cf. X. HG 2.1.5, D. 23.133; ν. περί τινα Isoc. Ep. 7.9:—also in Med., take the law into oneʼs own hands, POxy. 237 vi3 (ii A.D.).
esp. attempt political changes, make revolutionary movements, τοῖς ἀτυχοῦσι νεωτερίζειν συμφέρει Antipho 2.4.9; ἀπὸ μόνης ν. τῆς ἀσπίδος Critias 37 D.; πρὸς τοὺς ξυμμάχους νεωτερίζοντας Th. 1.97, cf. 102; ν. ἔργῳ Id. 3.66; νεωτερίζειν ἐβούλετο ἐς τὸ πλῆθος Lys. 20.16; τὸ νεωτερίζον the revolutionary party, J. BJProoem. 2; νεωτερίσαι τὴν πολιτείαν revolutionize the state, Th. 1.115:—Pass., ἐνεωτερίζετο τὰ περὶ τὴν ὀλιγαρχίαν Id. 8.73, cf. 4.76.