Valuable

a. [Fr. valuable, It. valutabile.]

1. Having value or worth; possessing qualities which are useful and esteemed; precious; as, a valuable horse; valuable land; a valuable house.
2. Worthy; estimable; deserving esteem; as, a valuable friend; a valuable companion.

Valuable consideration, an equivalent for a thing purchased, as money, marriage, and the like. Blackstone. Bouvier. Syn.—Precious; costly; estimable.