Phenomenal (adjective)

1. Extremely good; wonderful.
2. Extremely remarkable or impressive.

Origin:

Late 17th century: from greek phainomenon, neuter present participle (used as a noun) of phainesthai "appear", from phaos, phainos "light".

Examples:

1. He had a phenomenal memory.
2. Her performance was phenomenal.
3. He's a phenomenal singer.
4. The view from the top was phenomenal.
5. The growth of the company was phenomenal.