A "quip".
encouragement
Try the word mayor.
Aviary.
cry
One choice is the word peculiar.
A 6-letter word beginning with 'a' that means smart is astute.
understanding
Astute is a word that means smart.
One word is diencephalon.
inteligente. It literally means intelligent in english.
smart
either instigating or being smart about it
One word that could mean smart is Logical.
Precocious
Intelligent
smart
Enlightened