Selective (adjective)

1. Having the ability or power to choose.
2. Carefully chosen or chosen with a particular purpose or intention.
3. Tending to choose or select only certain things or people.
4. Operating or working in a selective way.

Origin:

Mid 17th century: from select + -ive.

Examples:

1. The school has a selective admissions process.
2. The company is selective in its hiring practices.
3. She was selective about the foods she ate.
4. He was selective about the friends he kept.
5. The filter was selective in what it let through.