Synonyms of let on in English:

let on


See definition of let on

phrase

1‘I never let on that Uncle Joe made me feel anxious’

SYNONYMS
reveal, make known, tell, disclose, mention, divulge, let out, let slip, give away, leak, proclaim, blurt out, expose, bring to light, uncover, make public
blab
informal let the cat out of the bag, give the game away, sing, squeal
ANTONYMS

conceal, keep quiet about

2‘they all let on they didn't hear me’

SYNONYMS
pretend, feign, affect, make out, make believe, simulate, fake