Merriam-Webster Collegiate Dictionary - tactics

 noun plural but singular or plural in construction  Etymology: New Latin tactica, plural, from Greek taktika, from neuter plural of taktikos of order, of ~, fit for arranging, from tassein to arrange, place in battle formation  Date: 1626  1.  a. the science and art of disposing and maneuvering forces in combat  b. the art or skill of employing available means to accomplish an end  2. a system or mode of procedure  3. the study of the grammatical relations within a language including morphology and syntax