body / physique, constitution, frame / health

warm or lukewarm water

to warm; to heat

to cool something hot to a warm temperature

to warm; to heat / to nurse (a plan or idea); to keep an idea to oneself while considering it / to renew (a relationship) / to take secretly; to swipe

Alternative form of 温める (atatameru)

the best, the optimum

optimal, most appropriate, best suited

optimization

to optimize