Origin: Latin suffix -able
Valuable has 5 different meanings across 2 categories:
a personal possession such as jewellery, of relatively great monetary value; — usually used in plural form.
"She carefully packed her valuable into the secure box before heading to the auction house."
"The old diamond was his most valuable possession."
Usage: Use the noun valuables to refer collectively to items like jewelry or cash that are worth significant money and require special care. This term is almost always found in its plural form when discussing personal possessions at risk during travel or theft.
having great material or monetary value especially for use or exchange
"a valuable diamond"
Having a great value.
"The antique vase turned out to be incredibly valuable after an appraiser examined it."
In plain English: Valuable means something is worth a lot of money or very important to have.
"The old letter was incredibly valuable because it came from my great-grandfather."
The word valuable is formed by adding the suffix -able to the noun value. This construction indicates that something possesses or deserves a high worth.