radicate adjective 3verb 3forms 3 adjective3 •Rooted; deep-seated; firmly established. •Having a root; growing from a root; (of a fungus) having rootlike outgrowths at the base of the stipe. •Fixed at the bottom as if rooted. verb3 •(rare) To cause to take root; to plant or establish firmly. •(rare) To extract the root of a number.Numbers, arithmetically, can be added, subtracted, multiplied and divided, exponentiated and radicated, […] — 1972 •(no longer used) To take root; to become established.And for Ever - greens , especially such as are tender , prune them not after Planting , till they do radicate — 1664 formsradicated · radicating · radicates