Expressing or full of congratulation; rejoicing with someone on their good fortune.
From Latin 'gratulans,' present participle of 'gratulari' (to wish joy, congratulate), related to 'gratus' (pleasing). This rare English adjective preserves the Latin sense of communal celebration.
Gratulant is one of those words so obscure it's practically a secret handshake—it means 'congratulatory' but sounds like it should mean 'relating to gravy,' which is why it disappeared from English.
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