S: (v) riddle (pierce with many holes) "The bullets riddled his body"
S: (v) riddle (set a difficult problem or riddle) "riddle me a riddle"
S: (v) riddle, screen (separate with a riddle, as grain from chaff)
S: (v) permeate, pervade, penetrate, interpenetrate, diffuse, imbue, riddle (spread or diffuse through) "An atmosphere of distrust has permeated this administration"; "music penetrated the entire building"; "His campaign was riddled with accusations and personal attacks"
S: (v) interact (act together or towards others or with others) "He should interact more with his colleagues"
S: (v) act, move (perform an action, or work out or perform (an action)) "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel"