The Collaborative International Dictionary of English v.0.48:

foreseeable \foreseeable\ adj.
   being such as may reasonable be anticipated; as, foreseeable
   costs were well within the budget.
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

foreseeable
    adj 1: capable of being anticipated; "foreseeable costs were
           well within the budget"

Moby Thesaurus II by Grady Ward, 1.0:

23 Moby Thesaurus words for "foreseeable":
   anticipatable, apt, calculable, divinable, fair, foreknowable,
   foreseen, foretellable, hopeful, improbable, in the cards, liable,
   likely, odds-on, precognizable, predictable,
   predictable within limits, presumable, presumptive, probable,
   promising, statistically probable, verisimilar