naysayer, believer, cynic, optimist, doomsayer, pessimist, empiricist, debunker, doubter, theist, denier, tree hugger, evolutionist, rationalist, environmentalist, luddite, detractor, proponent, hater, zealot, apologist, heretic, critic, atheist, controversialist, watcher, realist, disbeliever, devotee, greenie, supporter, peacenik, europhile, scoffer, freethinker, dogmatist, contrarian, sceptic, nonbeliever, wishful thinker, phobe, tinkerer, skepticism, crackpot, proselytizer, admirer, whacko, fanatic, observer, prognosticator, nutcase, doubting thomas, moralist, naderite, curmudgeon, libertarian, relativist, dabbler, theorist, determinist, weirdo, deist, dittohead, bigot, junkie, pontificator, pacifist, democrat, hypocrite, sun worshiper, creationist, basher, nutter, objectivist, scientist, aficionado, geek, idealist, votary, phile, pundit, loony, catastrophism, populariser, alarmism, crusader, purist, logical positivism, thinker, parti pris, antisemite, ideologue, evolutionists, moralizer, theocrat, gadfly, grumbler, taxer, gaia hypothesis, agnosticism, ufologist, twitcher, skeptics, sceptics, scepticism, materialist, atheists, liberal, rationalists, anarchist, humanist, pragmatist, tory, conservative, skeptical, sceptical, philosophic, agnostic, cynical, rationalistic, unenlightened, epicurean, positivist, compassionate, deistic, discerning, nominalist, utilitarian, atheistic, contemplative, contextualist, distrustful

intellect, intellectual