[sto.ic] n [ME, fr. L stoicus, fr. Gk stoikos, lit., of the portico, fr. Stoa (Poikile) the Painted Portico, portico at Athens where Zeno taught] (14c) 1 cap: a member of a school of philosophy founded by Zeno of Citium about 300 b.c. holding that the wise man should be free from passion, unmoved by joy or grief, and submissive to natural law
2: one apparently or professedly indifferent to pleasure or pain
[2]stoic or sto.i.cal adj (15c) 1 cap: of, relating to, or resembling the Stoics or their doctrines "Stoic logic"
2: not affected by or showing passion or feeling; esp: firmly restraining response to pain or distress "a ~ indifference to cold" syn see impassive -- sto.ical.ly adv