adj
Having a basis.
She offered a well-founded hypothesis.
ADJ.
ancient, later, scientific
The ancient city was founded over two thousand years ago by Greek settlers.
FOUNDED + NOUN
colonies, europe, fact, father, memory, missionaries, mr, parents
The missionaries founded colonies throughout Africa during the nineteenth century.
PREP.
in, on, throughout
The university was founded in 1850 by a group of philanthropists.
The society was founded in 1990.
This theory was founded on a scientific basis.
Our school was founded in 1990.
Harvard University was founded in 1636.
It is founded on supposition.