An option


Main Entry:
de·duce Listen to the pronunciation of deduce
transitive verb
Inflected Form(s): de·duced; de·duc·ing
Etymology:
Middle English, from Latin deducere, literally, to lead away, from de- + ducere to lead — more at tow
Date: 15th century

1: to determine by deduction ; specifically : to infer from a general principle

http://www.merriam-webster.com/dictionary/deduce


Main Entry: infer
Function: verb
Inflected Form(s): in·ferred; in·fer·ring
Etymology: Middle French or Latin; Middle French inferer, from Latin inferre, literally, to carry or bring into, from in- + ferre to carry — more at bear
Date: 1528

transitive verb1: to derive as a conclusion from facts or premises <we see smoke and infer fire — L. A. White> — compare imply

http://www.merriam-webster.com/dictionary/infer

...therefore concluding (or "leading to the conclusion") that no systematic development plan can be implemented.