Matching Pairs How to improve your memoryOnline version Vocabulary by Elif Kesebir 1 adjustment 2 familiar 3 vital 4 visualise 5 knock-on effect 6 tune in necessary for the success or continued existence of something; extremely important easy to recognize because of being seen, met, heard, etc. before it causes other events or situations, but not directly 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