فلستQ 2. تَفَلْسَفَ He was, or became, a فَيْلَسُوف [or philosopher]. (M.) b2:  He affected to be a philosopher. (PU.) فَلْسَفَةٌ, a foreign word, Science; (M;) [philosophy; or] love of science: from the word here following. (O and K in art. سوف.) فَيْلَسُوفٌ A man of science; (M;) [a philosopher;] a word meaning in Greek a lover of science. (O and K in art. سوف.)