convenience
noun /kənˈviːniəns/
  /kənˈviːniəns/
Idioms - [uncountable] the quality of being useful, easy or suitable for somebody
- We have provided seats for the convenience of our customers.
 - For (the sake of) convenience, the two groups have been treated as one in this report.
 - The position of the house combines quietness and convenience.
 - In this resort you can enjoy all the comfort and convenience of modern tourism.
 
Extra Examples- All our holiday chalets include a microwave and food processor for extra convenience.
 - An order form is enclosed for your convenience.
 - I keep my cookbooks in the kitchen for convenience.
 - The system is based on administrative convenience rather than public benefit.
 - We leave the keys near the front door for the sake of convenience.
 
Oxford Collocations Dictionaryadjective- great
 - added
 - additional
 - …
 
- offer
 - provide
 
- food
 - store
 
- at your convenience
 - for (your) convenience
 
- a marriage of convenience
 - at your earliest convenience
 - comfort and convenience
 - …
 
 - [countable] something that is useful and can make things easier or quicker to do, or more comfortable
- It was a great convenience to have the school so near.
 - The house had all the modern conveniences (= central heating, etc.) that were unusual at that time.
 
Extra Examples- They wouldn't like to live without modern conveniences such as microwaves.
 - It's a great convenience living next door to a post office.
 - It's a great convenience living near the station.
 
Oxford Collocations Dictionaryadjective- great
 - modern
 
 
Word Originlate Middle English: from Latin convenientia, from convenient- ‘assembling, agreeing’, from the verb convenire ‘assemble, agree, fit’, from con- ‘together’ + venire ‘come’.
Idioms 
at somebody’s convenience 
- (formal) at a time or a place that is suitable for somebody
- Can you telephone me at your convenience to arrange a meeting?
 
 
at your earliest convenience 
- (business) as soon as possible
- Please contact us at your earliest convenience.