I am a 10 letter word used to describe someone who is fluent and clear in speech and thought. I contain five vowels and start with 'A' and end with 'E'. Name me.

ok so like i went to wiki and looked up the (constitution x new "hammystan")and it showed me the picture it highlights new hampshire and says first and second session and than it says that they hit up the u.s and was like "ey dude that paper u sent us was adopted it bro thx" xd syays it all on wiki/the pic

i dont really like reading so i guess other people might not like reading either so   imma put the answer in bold italics

sorry, i just really need points. and to this question, maybe i know the answer. but i have no time now. d