comment upon (?.)

• air
• analyze
• annotate
• canvass
• censure
• commentate
• consider
• controvert
• criticize
• critique
• deal with
• debate
• deliberate
• deliberate upon
• descant
• discourse
• discourse about
• discuss
• dissert
• dissertate
• edit
• examine
• exchange views
• gloss
• go into
• handle
• inquire into
• investigate
• knock around
• make an edition
• moralize upon
• pass under review
• rap
• reason
• reason about
• reason the point
• remark upon
• review
• sift
• study
• survey
• take up
• talk
• talk about
• talk of
• talk over
• thresh out
• touch upon
• treat
• treat of
• ventilate
• write up