This is the 8605th most frequent French word.
appréciés
Valued or appreciated.
Here, 'appréciés' is used as a past participle to indicate that the paintings are held in high esteem by others.
Les tableaux de ce peintre sont très appréciés dans le monde de l'art.
The paintings of this painter are greatly appreciated in the art world.
In this context, 'apprécié' is used in the passé composé tense of 'apprécier', meaning to experience enjoyment.
Nous avons apprécié le concert hier soir, il était magnifique.
We enjoyed the concert last night; it was wonderful.
Here, 'appréciés' conveys being valued or esteemed by their employer.