Available

Definitions: (1) one who is willing or qualified to do something or to assume a responsibility <available for service>; (2) suitable or prepared for use; at hand; (3) readily obtainable; accessible

Quotes:
• When the preferable is not available, the available becomes preferable. — Israelmore Ayivor (1989-) Ghanaian Youth Leadership Coach
Common sense is one of the most unused commodities available to man. — Craig D. Lounsbrough (1963-) American Author and Professional Counselor