Example : He was the hero according to his own relation.
His endless recounting of the incident eventually became unbearable.

Synonyms : recounting, relation

Synonyms : apprisal, notification

Synonyms : singing, tattle

Example : A telling smile.
A telltale panel of lights.
A telltale patch of oil on the water marked where the boat went down.

Synonyms : revealing, telltale

Example : A cogent argument.
A telling presentation.
A weighty argument.

Synonyms : cogent, weighty

Example : Gave an impressive performance as Othello.
A telling gesture.

Synonyms : impressive