reinforcement

[1]	buttress , support , reenforcement , support , prop , brace , stay , bolster
[2]	strengthening , reenforcement , buttressing , bolstering , shoring (up) , augmentation , bracing
[3]	reinforcements , reinforcing stimulus , reinforcer , reserves , auxiliaries , men , soldiers , forces , personnel
[4]	strengthener
[5]	reward