conjointly

from WordNet (r) 3.0 (2006)

conjointly
    adv 1: in conjunction with; combined; "our salaries put together
           couldn't pay for the damage"; "we couldn't pay for the
           damages with all our salaries put together" [syn:
           {jointly}, {collectively}, {conjointly}, {together with}]

from The Collaborative International Dictionary of English v.0.48

Conjointly \Con*joint"ly\, adv.
   In a conjoint manner; untitedly; jointly; together. --Sir T.
   Browne.
   [1913 Webster]