existence

ontology

Study of existence's nature

• metaphysicsPhilosophy of existence's nature
• phenomenologyStudy of subjective experience
• beingExisting as something

Sartre · Heidegger · Kierkegaard · Camus · absurdism · nihilism · meaning · purpose · authenticity · angst

entity

Independent existing thing

• presenceState of being somewhere
• actualityState of existing fact
• realityWhat actually exists

occurrence · instantiation · manifestation · phenomenon · materialization · concreteness · factuality · thingness

nature

Inherent quality or disposition

• coreCentral essential portion
• substancePhysical material with mass
• quiddityInherent essential nature

identity · character · fundamental · intrinsic · innate · constitutive · quintessence · kernel · heart · defining

living

Currently having breath

• birthComing into the world
• deathCessation of life
• experiencePractical knowledge from life

lifespan · mortality · vitality · breath · sentience · animation · organism · lifetime · survival · thriving

endurance

Sustained effort capacity

• persistenceContinuing despite difficulty
• sustenanceMeans of living
• resilienceCapacity to recover quickly

continuation · perseverance · tenacity · livelihood · eking · scraping · hardscrabble · precarious · marginal · hand-to-mouth

evidence

Facts supporting truth

• verificationProving something accurate
• confirmationEstablishing something as true
• documentationWritten proof or instructions

record · trace · attestation · testimony · fossil · artifact · remnant · sign · indication · establishment

• metaphysicsessence, being, reality, substance theory, ontology
• philosophy termstruth, reason, knowledge, wisdom, logic
• existentialismauthenticity, angst, nothingness, absurdity, being
• realitiestruths, facts, actuality, being, phenomena
• ontologyontology, being, becoming, universals, particulars
• medieval metaphysicssubstance, essence, being, universals, particulars