let on (v.)

• acknowledge
• act
• admit
• affect
• allow
• assume
• avow
• betray
• bluff
• concede
• confess
• counterfeit
• disclose
• dissemble
• dissimulate
• divulge
• fake
• feign
• grant
• own
• play
• playact
• pretend
• profess
• sham
• simulate
• spill
• tell
• uncover