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

圧観[akkan] highlight
偉観[ikan] magnificent sight
一面観[ichimenkan] one-sided view
厭世観[enseikan] pessimistic view of life
厭世悲観者[enseihikansha] pessimist

価値観[kachikan] sense of values
外観[gaikan] appearance
概観[gaikan] general view
楽観[rakkan] optimism
楽観的[rakkanteki] optimistic