Valuable a. : Having value or worth; possessing qualities which are useful and esteemed; precious; costly; as, a valuable horse; valuable land; a valuable cargo.

Valuable a. : Worthy; estimable; deserving esteem; as, a valuable friend; a valuable companion.

Valuable n. : A precious possession; a thing of value, especially a small thing, as an article of jewelry; -- used mostly in the plural.

Example:
What are your 10 Valuable things you learned from your relationships?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, webster, valu, Word Games, Webster Online Dictionary with audio pronunciations, adjective, glossary, english, language, ESL, yü, monetary value, good price, desirable, characteristics, qualities, friendships.

Defination from the web:
valuable from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... 2 a : having desirable or esteemed characteristics or qualities <valuable friendships> b : of great use or service <valuable advice> — valu·able·ness noun ...