Alacrity derives from the Latin word alacer, meaning "lively" or "eager." It denotes physical quickness coupled with eagerness or enthusiasm.

cheerful readiness, promptness, or willingness: We accepted the invitation with alacrity. Synonyms: keenness, eagerness, zeal, fervor.

If you do something with alacrity, you do it quickly and eagerly. [formal].

speed and eagerness: She accepted the money with alacrity. SMART Vocabulary: related words and phrases Hurrying and doing things quickly.

Alacrity is the feeling of eagerness one experiences in response to a situation. A term used specifically in regards to a person's attitude, alacrity is a ...

Someone with alacrity shows cheerful willingness and eager behavior, like a kid whose mother has told him he can buy anything in a candy store.

There is one meaning in OED's entry for the adjective alacritous. See 'Meaning & use' for definition, usage, and quotation evidence.

11 апр. 2019 г. · cheerful readiness, promptness, or willingness: We accepted the invitation with alacrity. Learn More; Examples. Look it up.

11 янв. 2013 г. · - An alacritous person might also be described as ardent (hopeful, confident) or zealous (fervent or ardent, especially in devotion or activity) ...