This document defines vocabulary words including clear, connect, contribute, express, find out, influence, psychologist, purchase, recommend, and researcher. It provides concise definitions for each word to easily understand their meanings.

1. clear (adj.) easy to see, hear or understandconnect (v.) to join or link
to something or someonecontribute (v.) to give or be a part of something with
other peopleexpress (v.) to say or show how you think or feelfind out (phr.
v.) to get or discover information about something influence (v.) to have
an effect on someone or somethingpsychologist (n.) someone who has studied the
human mind and feelingspurchase (n.) something that you buyrecommend (v.)
to advise someone that something should be doneresearcher (n.) someone
who studies something