εὔσημος G2154
eúsēmos · yoo'-say-mos · Adjective
from εὖ and the base of σημαίνω; well indicated, i.e. (figuratively) significant:--easy to be understood.
1 Occurrence in the King James Bible
1 Corinthians 14:9So likewise ye, except ye utter by the tongue words easy to be understood, how shall it be known what is spoken? for ye shall speak into the air.