verily

verily
    adv 1: in truth; certainly; "I verily think so"; "trust in the
           Lord...and verily thou shalt be fed"- Ps 37:3
    

Verily \Ver"i*ly\, adv. [From {Very}.]
   In very truth; beyond doubt or question; in fact; certainly.
   --Bacon.
   [1913 Webster]

         Trust in the Lord and do good; so shalt thou dwell in
         the land, and verily thou shalt be fed.  --Ps. xxxvii.
                                                  3.
   [1913 Webster]
    

43 Moby Thesaurus words for "verily":
      actually, assuredly, certainly, clearly, decidedly, demonstrably,
      factually, for a certainty, for real, forsooth, historically,
      in all conscience, in fact, in reality, in truth, in very sooth,
      indeed, indeedy, indubitably, manifestly, nay, nothing else but,
      noticeably, observably, obviously, of a truth, patently,
      positively, quite, really, really-truly, sensibly, seriously,
      truly, unambiguously, undeniably, undoubtedly, unmistakably,
      veritably, visibly, with truth, without doubt, yea