← Back to certify
Full Level B2 →
certify Etymology Atlas
To state officially that something has met a required standard., To give official permission for someone to do a job. Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
certify is a Level B2 word — Pro only
Pro unlocks the Etymology Atlas for levels A2–C2 — plus FSRS-5 spaced repetition, mastery tracking, and the activity dashboard.