to heat  - calentar 

to warm  - calentar, recalentar, calentarse 

to annoy  - molestar, fastidiar, irritar 

to anger  - enojar, enfadar 

to excite  - excitar, mover, estimular, entusiasmar, animar, provocar, despertar, suscitar 

to turn on  - prender (la luz, etc.), encender (un motor, etc.), (argot) calentar, excitar