幻を追う[maboroshiwoou] to pursue an illusion
幻影[genei] phantom
幻覚[genkaku] hallucination
幻覚剤[genkakuzai] hallucinogen
幻姿[genshi] apparition

幻視[genshi] visual hallucination
幻想[gensou] illusions
幻想劇[gensougeki] non-realistic drama
幻像[genzou] phantom

テロ対策[terotaisaku] anti-terrorist
マーケティング策略[maaketingusakuryaku] marketing tactic
リストラ策[risutorasaku] restructuring scheme
悪策[akusaku] poor policy
安全対策[anzentaisaku] safety measure

一策[issaku] idea
下策[gesaku] poor plan
劃策[kakusaku] plan
解決策[kaiketsusaku] solution
奇策[kisaku] clever scheme