sift (v.)

• air
• analyze
• appraise
• assess
• assort
• bolt
• canvass
• catalog
• categorize
• choose
• clarify
• class
• classify
• clear
• collate
• comb
• consider
• contradistinguish
• controvert
• cull
• debate
• deliberate
• demarcate
• demark
• differentiate
• discriminate
• discuss
• distill
• distinguish
• divide
• edulcorate
• elute
• evaluate
• examine
• excerpt
• explore
• extract
• factor
• fathom
• filter
• filtrate
• gauge
• ghettoize
• gin
• glean
• gradate
• grade
• group
• handle
• identify
• insulate
• investigate
• isolate
• leach
• percolate
• pick
• plumb
• probe
• prospect
• purify
• quarantine
• rank
• rap
• reason
• rectify
• refine
• review
• riddle
• screen
• scrutinize
• seclude
• segregate
• select
• separate
• sever
• severalize
• sieve
• size
• sort
• sound
• spiritualize
• strain
• study
• subdivide
• sublimate
• sublime
• subordinate
• subtilize
• talk
• thrash
• thresh
• treat
• try
• ventilate
• weigh
• winnow