THESAURUS
Ontology
aesthetics, axiology, casuistry, cosmology, epistemology, ethics, existentialism, first philosophy, gnosiology, logic, mental philosophy, metaphysics, moral philosophy, phenomenology, philosophastry, philosophic doctrine, philosophic system, philosophic theory, philosophical inquiry, philosophical speculation, philosophy, school of philosophy, school of thought, science of being, sophistry, theory of beauty, theory of knowledge, value theory
ROGET THESAURUS
Ontology
Existence
N
existence, being, entity, ens, esse, subsistence, reality, actuality, positiveness, fact, matter of fact, sober reality, truth, actual existence, presence, coexistence, stubborn fact, hard fact, not a dream, no joke, center of life, essence, inmost nature, inner reality, vital principle, ontology, existing, existent, under the sun, in existence, extant, afloat, afoot, on foot, current, prevalent, undestroyed, real, actual, positive, absolute, true, substantial, substantive, self-existing, self-existent, essential, well-founded, well-grounded, unideal, unimagined, not potential, authentic, actually, in fact, in point of fact, in reality, indeed, de facto, ipso facto, ens rationis, ergo sum cogito, thinkest thou existence doth depend on time?.