o·ver·com·pen·sate 
(ō′vər-kŏmpən-sāt′)
(ō′vər-kŏmpən-sāt′)v. o·ver·com·pen·sat·ed, o·ver·com·pen·sat·ing, o·ver·com·pen·sates
v.intr.
To engage in overcompensation.
v.tr.
To pay (someone) too much; compensate excessively.
o′ver·com·pensa·to′ry (-kəm-pĕnsə-tôr′ē) adj.