noun-modifying (irregular)
Used prenominally to describe something that has value or is worth doing. Often appears in phrases like 価値あるもの (something valuable) or 価値ある経験 (a worthwhile experience).
This is valuable information.
He gained worthwhile experience.
Standard spelling using ある in kana.
Alternate spelling using the kanji 有る for ある; less common but still encountered.
Compound of 価値 (value) and ある (to exist, to have), literally 'having value'. The prenominal form is derived from the classical attributive form of あり.