Took steam out is a phrase that means to diminish one's enthusiasm or momentum. Some antonyms for this expression are to energize, animate, encourage, invigorate, stimulate, and inspire. These words convey a sense of motivation, excitement, and positive energy that contradict the meaning of taking steam out. When we are energized, we feel pumped up, motivated, and full of energy. When we are stimulated, we feel awakened and inspired to take action. If we feel encouraged, we are more likely to pursue our goals, and if we feel invigorated, we are more determined and focused. Therefore, to take steam out of someone is to sap their spirit, and to provide them with one of these antonyms is to strengthen it.