noun Etymology: Latin alacritas, from alacr-, alacer lively, eager Date: 15th century promptness in response ; cheerful readiness , alacritous adjective
ALACRITY
Meaning of ALACRITY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012