make light of (?.)
- be blind to
- be caught out
- be inattentive
- be unwary
- belittle
- blink at
- connive at
- cool it
- de-emphasize
- deprecate
- depreciate
- disparage
- disregard
- downplay
- give no heed
- go easy
- hear nothing
- ignore
- let pass
- make little of
- make nothing of
- minimize
- misestimate
- misprize
- miss
- not attend
- not heed
- not listen
- not notice
- not sweat it
- overlook
- pass by
- pass over
- pay no attention
- pay no mind
- play down
- see nothing
- sell short
- set at naught
- set little by
- shrug off
- slight
- take it easy
- think little of
- think nothing of
- underestimate
- underplay
- underprize
- underrate
- underreckon
- undervalue
- wink at