This is the 11670th most frequent Spanish word.
fundamentado
Based or grounded; supported with reasons or evidence.
In this sentence, 'fundamentado' is used to describe the argument, implying it is based or established on a solid foundation, specifically evidence.
El argumento del científico está bien fundamentado en evidencias.
The scientist's argument is well-founded in evidence.
Here, 'fundamentadas' implies that decisions should rely on or be established upon reliable and proven data.
Es importante que las decisiones estén fundamentadas en datos verificables.
It is important for decisions to be grounded in verifiable data.
In this context, 'fundamentada' means that the opinion is backed or supported by a basis, namely the years of experience.