πρᾶξις, -εως, ἡ
(< πράσσω), [in LXX: II Ch 13:2227:728:26 (דֶּרֶךְ), Jb 24:5 A (פֹּעַל), Pr 13:13, Wi 9:11, al.;]
1. a doing, deed, act: Mt 16:27; pl., π. ἀποσπτόλων, Ac, tit.; in late writers especially of wicked deeds or practices (freq. in Polyb.): Lk 23:51; p1., Ro 8:13, Col 3:9; with ref. to magic (v. BS, 3235), Ac 19:18.
2. an acting, action, business, function: Ro 12:4.†