[ex.ert] vt [L exsertus, pp. of exserere to thrust out, fr. ex- + serere to join--more at series] (1681) 1 a: to put forth (as strength) b: to put (oneself) into action or to tiring effort
2: to bring to bear esp. with sustained effort or lasting effect
3: employ, wield "~ed her leadership abilities intelligently"