sift
sift \'sift\ vb [ME siften, fr. OE siftan; akin to OE sife sieve] 1a: to put through a sieve {~ flour} 1b: to separate or separate out by putting through a sieve 2a: to screen out the valuable or good : SELECT 2b: to study or investigate thoroughly : PROBE 1: to use a sieve 2: SCREEN, SELECT - sift.er n