countervail
Cross references: 1. compensate coun.ter.vail \.kau.nt-*r-'va-(*)l\ vb [ME countrevailen, fr. MF contrevaloir, fr. contre- counter-]+ valoir to be worth, fr. L vale-re - more at WIELD 1: to compensate for archaic 2: EQUAL, MATCH 3: to exert force against : COUNTERACT : to exert force against an opposing side