Meaning of phenomenon

phe•nom•e•non

1. a fact, occurrence, or circumstance observed or observable: to study the phenomena of nature.
2. something that is impressive or extraordinary.
3. a remarkable or exceptional person; prodigy; wonder.
1. an appearance or immediate object of awareness in experience.
2. Kantianism.a thing as it appears to and is constructed by the mind, as distinguished from a noumenon, or thing-in-itself.