check
let
set
work
100

arrive and register at a hotel, airport, etc.

check in

100

1. punish somebody lightly or not at all for doing something wrong

2. excuse somebody from doing something they have to do

let off

100

1. establish a business, institution or other organisation

2. make an innocent person appear guilty of something

set up

100

try hard to improve or achieve something

work on

200

make sure that there is nothing wrong with somebody or something

check on

200

fail to support or help somebody as they had hoped

let down
200

1. begin a journey

2. cause somebody to start doing something, especially by laughing or talking

3. cause a series of things to occur

set off

200

1. find the answer to something

2. plan something in detail

3. have a good or specified result

4. engage in vigorous physical exercise

work out

300

tick or otherwise mark something on a list to show that it has been dealt with

check off

300

reveal information

let on

300

1. aim or intend to do something

2. arrange or display something in a particular order or position

set out

300

1. make somebody or yourself reach a state of great excitement, anger, etc.

2. develop or produce by activity or effort

work up

400

1. prove to be true or correct

2. establish the truth or inform yourself about somebody or something

3. look at or take notice of

check out

400

(of something undesirable) become less intense

let up

400

delay or block the progress of something or somebody

set back

400

1. get rid of something, especially a strong feeling, by using physical effort

2. earn money in order to be able to pay a debt

work off

500

(3 words) investigate in order to find out the truth or accuracy of something

check up on

500

(3 words) allow somebody to know or share something secret

let in on

500

give somebody an air of unusual superiority

set apart

500

(3 words) proceed gradually towards (something more advanced or intense)

work up to