Convenience
Part of speech: noun
Definition: the quality of being suitable, useful or convenient anything that makes for an easier life a convenient time, especially in the phrase at one's convenience a public toilet
Example sentence: The bourgeois prefers comfort to pleasure, convenience to liberty, and a pleasant temperature to the deathly inner consuming fire.
Contrivance
Part of speech: noun
Definition: a (mechanical) device to perform a certain taska means, such as an elaborate plan or strategy, to accomplish a certain objectivesomething overly artful or artificial