1. Capable of being tested (verified or falsified) by experiment or observation
   - verifiable, falsifiable

See also: empiric, empirical

• slender wheatgrass
• slender wild oat
• slender-bodied
• slender-tailed meerkat
• slender-waisted
• slender-winged
• slenderise
• slenderize
• slenderly
• slenderness
• sleuth
• sleuthhound
• sleuthing
• slew
• slews
• Slezsko
• slice
• slice bar
• slice into
• slice through
• slice up
• sliced
• slicer
• slicing
• slick