Virtual (adjective)

1. Being or existing in essence or effect, though not in actual fact, form, or name.
2. Nearly or approaching a specified quality or standard.
3. Carried out using computer technology, especially over the internet.
4. Existing or resulting from computer technology and not involving a physical or concrete form.

Origin:

Late 16th century: from latin virtualis, from vir, virtus "force, power".

Examples:

1. This is a virtual replica of the Mona Lisa.
2. They had a virtual tour of the museum.
3. They offer virtual classes for those who cannot attend in person.
4. The virtual concert was a huge success.
5. The virtual currency can be used in the same way as actual money.