Action does not figure among true categories, vi. 2.16 (43-[920]).

Action is natural on both wholes and parts, iv. 4.31 (28-[487]).

Action, uniform, is exerted by body and varied by the soul, iv. 7.4 (2-[62]).

Actions, some appear imperfect when not joined to time, vi. 1.19 (42-[868]).

Actions do not control freedom of will and virtue, vi. 8.5 (39-[779]).

Active life predisposes to subjection to enchantments, iv. 4.43 (28-[507]).

Activity of soul is triple: thought, self-preservation and creation, iv. 8.3 (6-[125]).

Actors good and bad, are rewarded by the manager: so are souls, iii. 2.17 (47-[1072]).

Actual, everything is actual in the intelligible world, ii. 5.3 (25-[346]).

Actual matter cannot be anything, as it is non-being, ii. 5.2, 4 (25-[343] to [347]).