increase - make bigger or more; "The boss finally increased her salary"; "The university increased the number of students it admitted"

redouble - double in magnitude, extent, or intensity; "The enemy redoubled their screaming on the radio"

increase - make bigger or more; "The boss finally increased her salary"; "The university increased the number of students it admitted"

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"