AMELIORATION

KLINGONLINGOSome "Star Trek" slang? HINDISHINDIGDiwali or Holi? LOTSAFLOTSAMA whole bunch of ocean detritus? INSTALLATIONArt exhibit popular with everybody, maybe Paddington bears? CARTEBLANCHEUnrestricted ability SNAKECHARMEROld carnival attraction REMUNERATIVEProfitable forging Vermeer at uni OVERDIDVERDIListened to "Rigoletto" way too many times? RICHARDADAMSAuthor best known for Watership Down OCASIOCORTEZRepresentative Alexandria who is the youngest woman ever elected to Congress at age 29 in 2018: Hyph. ADVENTITIOUSAccidental POSTPRANDIALAfter eating – drop in at pal’s (anag) (12) WILLIEWINKIE*Nursery rhyme lad with one eye closed? GEORGESMILEY*Fictional spy sporting a big yellow button?