abides
thriftthreadtheorythesisthrongthirtythroatthrownthrillthronethreshthornythoraxthencethrivethievethirstthwart
Actionacumen attain
Carpal Christ Cramps
noodle
sachet
arista
faults
berets
ethane
A 6-letter word beginning with 'a' that means smart is astute.
Albert
muddle