The Collaborative International Dictionary of English v.0.48:

Continuative \Con*tin"u*a*tive\, n. [Cf. F. continuatif.]
   1. (Logic) A term or expression denoting continuance. [R.]
      [1913 Webster]

            To these may be added continuatives; as, Rome
            remains to this day; which includes, at least, two
            propositions, viz., Rome was, and Rome is. --I.
                                                  Watts.
      [1913 Webster]

   2. (Gram.) A word that continues the connection of sentences
      or subjects; a connective; a conjunction.
      [1913 Webster]

            Continuatives . . . consolidate sentences into one
            continuous whole.                     --Harris.
      [1913 Webster]

WordNet (r) 3.0 (2006):

continuative
    n 1: an uninflected function word that serves to conjoin words
         or phrases or clauses or sentences [syn: conjunction,
         conjunctive, connective, continuative]