A.do in return, “ταῦτα” Pl.Cri.50e; “ἀντ᾽ εὖ ποιεῖν” Id.Grg. 520e; “οἱ μὴ ἀντιποιοῦντες εὖ” Arist.Rh.1397b7; “κακῶς μὲν πάσχοντας, ἀντιποιεῖν δὲ οὐ δυναμένους” X.An.3.3.12, cf. ib.7; “ἀ. κακῶς τὸν ἄρξαντα” Muson.Fr.10p.56H.; “ἀ. τὸ αὐτό” Arist.EN1138a22:—Pass., to have done to one in turn, LXXLe.24.19.
II. Med. (aor. Pass. in Luc. DMort.29.2), c. gen., exert oneself about a thing, seek after it, “ἀ. τῶν σπουδαίων” Isoc.1.2; lay claim to, “τῆς πόλεως” Th.4.122; “ἀρετῆς” Isoc. 6.7; τῆς τέχνης, τῶν νικητ ηρίων, Pl.Men.90d, Phlb.23a; “τοῦ πρωτεύειν” D.10.52; “τῆς θαλάττης” Antiph.190.11; “τῶν ἐν τῇ Ἑλλάδι πραγμάτων” D.Chr.11.62; “οἱ Δωριεῖς ἀντιποιοῦνται τῆς τραγῳδίας” Arist.Po.1448a30: also c. inf., ἀ. ἐπίστασθαί τι lay claim to knowing . ., Pl.Men.91c, cf. Hp.Mi.363a: c. acc., “τὴν κληρονομίαν” Michel546.16 (Cappad., i B. C.).
2. contend with one for a thing, “ἀ. τινὶ τῆς ἀρχῆς” X.An. 2.1.11, 2.3.23; more rarely τινὶ περί τινος ib.5.2.11; “τινὸς πρός τινα” Arr.Epict.1.29.9.
3. abs., set up opposition, Pl.Prt.336c, Arist. Pol.1314a12; maintain resistance, Plb.2.9.5, 21.25.6.
