tac·ti·cian 
(tăk-tĭshən)
(tăk-tĭshən)n.
1. One who is skilled in the planning and execution of military tactics.
2. A clever maneuverer.
- constipate
- constipated
- constipation
- constituency
- constituent
- constituently
- constitute
- constituter
- constitution
- constitutional
- constitutionalism
- constitutionalist
- constitutionality
- constitutionalization
- constitutionalize
- constitutionally
- constitutional monarchy
- constitutive
- constitutively
- constitutor
- constrain
- constrainable
- constrainedly
- constrainer
- constraint