Pessimism, Optimism, or Realism
Pessimism
pes•si•mism \ˈpe-sə-ˌmi-zəm also ˈpe-zə-\ noun
[French pessimisme, from Latin pessimus worst—more at PEJORATIVE] 1815
1: an inclination to emphasize adverse aspects, conditions, and possibilities or to expect the worst possible outcome
2 a: the doctrine that reality is essentially evil
b: the doctrine that evil overbalances happiness in life—pes•si•mist \-mist\ noun
Optimism
op•ti•mism \ˈäp-tə-ˌmi-zəm\ noun
[French optimisme, from Latin optimum, noun, best, from neuter of optimus best; akin to Latin ops power—more at OPULENT] 1759
1: a doctrine that this world is the best possible world
2: an inclination to put the most favorable construction upon actions and events or to anticipate the best possible outcome—op•ti•mist \-mist\ noun—op•ti•mis•tic \ˌäp-tə-ˈmis-tik\ adjective—op•ti•mis•ti•cal•ly \-ti-k(ə-)lē\ adverb
Realism
re•al•ism \ˈrē-ə-ˌli-zəm\ noun
1817
1: concern for fact or reality and rejection of the impractical and visionary
2 a: a doctrine that universals exist outside the mind specifically: the conception that an abstract term names an independent and unitary reality
b: a theory that objects of sense perception or cognition exist independently of the mind—compare