verb

• (transitive) To smear over, to smear all over, to daub.
  "I long to ſee thee backe returne from thence, That I may view theſe milk-white ſteeds of mine. All loden with the heads of killed men, And from their knees, euen to their hoofes below, Beſmer’d with blood, that makes a dainty ſhow."
• (transitive) To damage the reputation of, to tarnish, to sully.
  "Novv, Sir, vvhen my Time comes, leſt they ſhou'd think it vvorth vvhile to handle my Memory vvith the ſame Freedom, I am vvilling to prevent its being ſo odly beſmear'd (or at beſt but flatly vvhite-vvash'd) by taking upon me to give the Publick This, as true a Picture of myſelf as natural Vanity vvill permit me to dravv; […]"