(a.) Of or pertaining to philosophy; versed in, or imbued with, the principles of philosophy; hence, characterizing a philosopher; rational; wise; temperate; calm; cool.

Spartan abstract accepting armed with patience balanced calm cogitative commonsense composed contemplative cool coolheaded detached disciplined down-to-earth endurant enduring equable equanimous erudite esoteric even-tempered forbearing imperturbable impractical indulgent judicious learned lenient level-headed levelheaded logical long-suffering longanimous meditative moderate patient patient as Job peaceful persevering philosophic philosophicojuristic philosophicoreligious placid practical pragmatic pragmatical quiet rational realistic reasonable reflective sane scholarly self-controlled sensible serene sober sober-minded sophistical sound stoic stoical temperate theoretical thoughtful tolerant tolerating tolerative tranquil unconcerned understanding unemotional unimpassioned unperturbed unruffled well-balanced