ontology
The nature of being or categories of existence
Examples
In a meeting
“We need to establish a clear ontology for our database—how we categorize and relate different entities.”
Over coffee
“They debated the ontology of digital art—is it truly 'real' art?”
Why this word
metaphysics
Metaphysics covers all abstract philosophy; ontology specifically studies the nature of being and existence
philosophy
Philosophy is the broad field; ontology is the specific branch concerning what exists
theory
Theory is any systematic explanation; ontology specifically addresses fundamental categories of reality
Usage tip
Use when discussing fundamental categorization or the nature of existence. Common in data architecture and philosophical discussions.
Etymology
Greek 'ont-' (being) + 'logia' (study)
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Related words
synthesis
The combining of separate elements to form a coherent whole
syllogism
A logical argument with two premises leading to a conclusion
empiricism
The belief that knowledge comes from observation and experience
paradox
A seemingly contradictory statement that may nonetheless be true
premise
An underlying assumption on which reasoning is based
dogma
A principle or belief accepted without question