IELTS, an English language proficiency test that students who wish to study abroad attempt, is a rather coveted examination. And if you are worried about your ‘Speaking’ test, here are 10 most important synonyms to remember and use during the test.IELTS, an English language proficiency test that students who wish to study abroad attempt, is a rather coveted examination. And if you are worried about your ‘Speaking’ test, here are 10 most important synonyms to remember and use during the test.