Matching Pairs How to improve your memoryOnline version Vocabulary by Elif Kesebir 1 tune in 2 familiar 3 visualise 4 adjustment 5 knock-on effect 6 vital a small change 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 to watch or listen to a particular television or radio programme or station to form a picture of someone or something in your mind, in order to imagine or remember him, her, or it