Yes, liberal is a Scrabble word!

Adjective

1. Showing or characterized by broad-mindedness

2. Having political or social views favoring reform and progress

3. Tolerant of change; not bound by authoritarianism, orthodoxy, or tradition

4. Given or giving freely

5. Not literal

Noun

1. A person who favors a political philosophy of progress and reform and the protection of civil liberties

2. A person who favors an economic theory of laissez-faire and self-regulating markets