value + -able

source: Ultraviolet Colors | gifとanime 、 pastel

worth a great deal of money:

金銭的価値が高い, 高価な

e.g. a valuable antique.

extremely useful or important:

【目的などに/人などに】役に立つ, 有益な, ためになる; 貴重な, かけがえのない «for/to»

e.g. my time is valuable.

noun (usually valuables)

a thing that is of great worth, especially a small item of personal property:

〖通例～s〗 貴重品〘特に宝石･貴金属類など〙

e.g. put all your valuables in the hotel safe.

valuably |-blē| adverb