A.blossom or flourish at the same time, of plants, AP 11.417; of persons, Ἰφίτῳ ς. with Iphitus, Arist.Fr.533, cf. Plb.6.43.6, 31.26.3, Gal.15.455: abs., flourish together, Plu.TG3.
II. συνακμάσαι ταῖς ὁρμαῖς πρὸς τὴν τῶν πραγμάτων αὔξησιν rise to a great occasion, Plb.16.28.1.