δύναμαι decl. in pres. and imperf. like ἵσταμαι Dep. to be able, capable, strong enough to do, c. inf., Hom., etc.; but the inf. is often omitted, Ζεὺς δύναται ἅπαντα sc. ποιεῖν Od.; so also, μέγα δυνάμενος very powerful, mighty, Od.; οἱ δυνάμενοι men of power, Eur., Thuc.; δυνάμενος παρά τινι having influence with him, Hdt., etc. to be able, i. e. to dare or bear to do a thing, οὐδὲ ποιήσειν δύναται Od.; οὐκέτι ἐδύνατο βιοτεύειν Thuc. with ὡς and a Sup., ὡς ἐδύναντο ἀδηλότατα as secretly as they could, Thuc.; ὡς δύναμαι μάλιστα as much as I possibly can, Plat.; or simply ὡς ἐδύνατο in the best way he could, Xen. to pass for, i. e. of money, to be worth so much, c. acc., ὁ σίγλος δύναται ἑπτὰ ὀβολούς the shekel is worth 20 obols, Xen. of number, to be equivalent to, τριηκόσιαι γενεαὶ δυνέαται μύρια ἔτεα Hdt. of words, to signify, mean, Lat. valere, Hdt., etc.; ἴσον δύναται, Lat. idem valet, Hdt.; τὴν αὐτὴν δύνασθαι δουλείαν to mean the same slavery, Thuc.:—also to avail, οὐδένα καιρὸν δύναται avails to no good purpose, Eur. impers., οὐ δύναται, c. inf., it cannot be, is not to be, Hdt.