excitement;  stimulation;  agitation;  arousal
 hard struggle;  strenuous effort
 being somewhat excited (agitated)
 strenuous exertion;  spurt;  splurge
 stirring;  rousing oneself
 excited condition;  excited state
 being irresistible;  being furiously vigorous;  being intensely forceful
 sexual arousal;  sexual excitation
 with spirit;  courageously;  resolutely
 making strenuous efforts;  exerting oneself
 excitability;  irritability
 try one's best;  all-out effort;  strenuous efforts
 fighting with all one's might;  fighting up against;  making strenuous efforts
 bracing oneself up to action, being inspired by something;  getting down to work, putting heart and soul into it;  tackling (a job) with gusto
 making strenuous efforts;  exerting oneself
 springing up;  flying away