Matching Pairs How to improve your memoryOnline version Vocabulary by Elif Kesebir 1 knock-on effect 2 familiar 3 visualise 4 tune in 5 adjustment 6 vital it causes other events or situations, but not directly easy to recognize because of being seen, met, heard, etc. before necessary for the success or continued existence of something; extremely important a small change to form a picture of someone or something in your mind, in order to imagine or remember him, her, or it to watch or listen to a particular television or radio programme or station