Capable of being grounded; able to be given a basis, foundation, or valid reason.
From 'ground' (the base or foundation) plus the productive suffix '-able' (capable of), creating an adjective meaning capable of being grounded or founded.
This word appears frequently in philosophy and logic texts—'groundable' describes claims that can actually be justified or proven rather than just asserted, and it's a favorite in academic debates about evidence.
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