Definition of radicate:
(adj) :
Rooted; deep-seated; firmly established.
(adj) :
(botany) Having a root; growing from a root; (of a fungus) having rootlike outgrowths at the base of the stipe.
(adj) :
(zoology) Fixed at the bottom as if rooted.
(v) :
(transitive, rare) To cause to take root; to plant or establish firmly.
(v) :
(intransitive, obsolete) To take root; to become established.
(v) :
(transitive, arithmetic, rare) To extract the root of a number.