Synonyms and related words :
Leibnizian optimist, Pollyanna, aspirant, aspirer, broad day, chiliast, dawn, day, day glow, daylight, dayshine, daytide, daytime, dusk, full sun, green flash, hopeful, hoper, irrepressible optimist, light of day, midday sun, millenarian, millennialist, millennian, noonlight, noontide light, optimist, perfectibilist, perfectibilitarian, perfectionist, philosophical optimist, shine, sun spark, sunbeam, sunbreak, sunburst, sunlight, sunshine, twilight, utopian