This is the 2243rd most frequent French word.
fondé
Established or justified.
In this sentence, 'fondé' is used as an adjective meaning 'well-founded' or 'justified,' describing the argument as reasonable and based on good reasoning.
Je crois que cet argument est fondé.
I believe that this argument is well-founded.
Here, 'fondée' serves as the past participle of the verb 'fonder,' meaning 'to establish' or 'to create,' referring to the act of founding or establishing the association.
Cette association a été fondée en 1995.
This association was founded in 1995.
In this sentence, 'fondé sur' is a construction indicating that the opinion is 'based on' or 'founded on' something, showing dependency and grounding.