Synonyms – intermediate level We often use synonyms when we are speaking or writing so that we don't repeat words. choose pick satisfied content lucky fortunate behave act notice spot by chance accidentally attitude approach sure certain deal with cope with show reveal concerned worried frightened scared make a decision make up your mind try to do have a go at doing talk to someone chat to someone nice pleasant enormous huge pleased glad wonderful brilliant terrible awful * Many synonyms in English have small differences in meaning or use. For example, chat to someone is more informal than talk to someone .