Alternative (adjective)

1. Offering or expressing a choice.
2. Providing a substitute or different possibility.
3. Existing or functioning as an option.
4. Being one of two or more possibilities.
5. Not conventional or traditional.

Origin:

Late middle english, from latin alternatīvus, from alternāre to alternate.

Examples:

1. The restaurant offered vegetarian and gluten-free alternatives to their menu items.
2. He is considering alternative career paths.
3. She chose the alternative route that was less crowded.
4. Alternative rock is a genre of music that emerged in the 1980s.
5. The alternative therapy was more effective for her condition than the traditional treatment.