[re.ward] vt [ME, fr. ONF rewarder to regard, reward, fr. re- + warder to watch, guard, of Gmc origin; akin to OHG warten to watch--more at ward] (14c) 1: to give a reward to or for
2: recompense -- re.ward.able adj -- re.ward.er n
[2]reward n (14c) 1: something that is given in return for good or evil done or received and esp. that is offered or given for some service or attainment
2: a stimulus administered to an organism following a correct or desired response that increases the probability of occurrence of the response