The Collaborative International Dictionary of English v.0.48:

Howbeit \How*be"it\, conj. [How + be + it.]
   Be it as it may; nevertheless; notwithstanding; although;
   albeit; yet; but; however.
   [1913 Webster]

         The Moor -- howbeit that I endure him not
         Is of a constant, loving, noble nature.  --Shak.
   [1913 Webster]