It is advisable that you learn synonyms and use them accurately in your writing in order to give the impression that you can use a good range of vocabulary. » Use precise and accurate words in a sentence. » Do not use the same word more than once/twice. » Do not repeat words and phrases from the exam question unless there is no alternative.
To demonstrate that you have a great lexical resource, you need to: Since 'Lexical Resource' will determine 25% of your score in Task 1, you have to enrich your vocabulary to hit a high band score. The examiner will use four criteria to score your response: task achievement, coherence and cohesion, lexical resource, & grammatical range and accuracy. This vocabulary section aims to help you learn all the vocabularies, phrases and words you need to know and use in your Academic writing task 1 to achieve a higher band score. Being able to use appropriate vocabularies, presenting the main trend, comparing & contrasting data and presenting the logical flow of the graph ensure a high band score in your Academic IELTS writing task 1. Academic IELTS Writing Task 1 question requires you to use several vocabularies to present the data given in a pie/ bar/ line/ mixed graph or to describe a process or a flow chart.