feeling in the hands (when striking, poking, etc.); (feeling of) resistance; response (to one's efforts); reaction; (having an) effect (on)
chewiness; firmness; feel of food while being chewed; challenge (e.g. work, book); toughness
retort; back talk; backchat
(being) worth seeing; impressive
worthwhile reading; substantial reading
satisfying quality (of a drink)
worthiness as an opponent or challenge