[con.ve.nience] n (14c) 1: fitness or suitability for performing an action or fulfilling a requirement
2. a: something (as an appliance, device, or service) conducive to comfort or ease b chiefly Brit: toilet 3
3: a suitable or convenient time "at your ~"
4: freedom from discomfort: ease
[2]convenience adj (1917): designed for quick and easy preparation or use "~ foods"