congratulation
Congratulation is an expression of praise or good wishes offered to someone for an achievement or positive event. As a noun, it denotes the act of congratulating or the message itself; the plural form congratulations is more common and used as a general expression of goodwill. The verb form is to congratulate. The term derives from Latin congratulatio, formed from con- meaning together and gratulatio meaning praising or goodwill.
Usage and contexts: Congratulations are commonly extended on milestones such as graduations, promotions, births, weddings, or
Etiquette and variations: Different languages have distinct customary expressions, but the aim is the same: to