The Collaborative International Dictionary of English v.0.48:

nonexploratory \nonexploratory\ adj.
   not exploratory. Opposite of exploratory.

   Syn: nonexplorative, unexploratory, unexplorative.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

nonexploratory
    adj 1: not exploratory [syn: nonexploratory, nonexplorative,
           unexploratory, unexplorative] [ant: explorative,
           exploratory]