ADJ.
certain
VERB + WELL-FOUNDED
passed
WELL-FOUNDED + NOUN
proposals, relation
adj
Based on reasoning, evidence and good judgement.
Properly substantiated.
After the crisis had passed, certain well-founded proposals were revived, and resulted in important additions to the railway network of the country.
Of a binary relation: such that every non-empty subset of the relation's domain has a minimal element with respect to the relation.
well-founded relation
adjective — based on sound reasoning or evidence