We don't have synonyms for supinates yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are supinate, supinated and ruminates.
(v) :
(transitive, anatomy) To twist the forearm so as to turn the palm of the hand backwards if the forearm is pointing up, upwards if the forearm is horizontal, or forwards if the arm is pointing down; to twist the forearm by contracting the biceps brachii; to twist the right forearm clockwise or the left forearm counterclockwise.
(v) :
(transitive, anatomy) To twist the foot so the weight is on the outer edge.
(v) :
(transitive, anatomy) To twist the forearm so as to turn the palm of the hand backwards if the forearm is pointing up, upwards if the forearm is horizontal, or forwards if the arm is pointing down; to twist the forearm by contracting the biceps brachii; to twist the right forearm clockwise or the left forearm counterclockwise.
(v) :
(transitive, anatomy) To twist the foot so the weight is on the outer edge.