Real (adjective)

1. Existing or occurring as fact.
2. Having verifiable existence.
3. Not imagined or false.
4. Having a material or factual existence.
5. Actual and not fake.

Origin:

From middle english, from old french reel, from latin rēgālis ("royal, regal"), from rēx ("king"). compare spanish real, italian reale.

Examples:

1. The real truth is hard to find.
2. This is a real opportunity.
3. The real cause of the problem is unknown.
4. She has a real talent for music.
5. This is a real diamond.