passably

from WordNet (r) 3.0 (2006)

passably
    adv 1: to a moderately sufficient extent or degree; "pretty
           big"; "pretty bad"; "jolly decent of him"; "the shoes are
           priced reasonably"; "he is fairly clever with computers"
           [syn: {reasonably}, {moderately}, {pretty}, {jolly},
           {somewhat}, {fairly}, {middling}, {passably}] [ant:
           {immoderately}, {unreasonably}]

from The Collaborative International Dictionary of English v.0.48

Passably \Pass"a*bly\, adv.
   Tolerably; moderately.
   [1913 Webster] Passacaglia