cease, unify, integrate, substantiate, undertake: meanings and examples

Learn these 5 words from IELTS Vocabulary set 76. Each entry includes a definition, example sentence, pronunciation, and synonyms. Use the interactive cards above to practice them.

1. cease · verb/siːs/

   to bring or come to an end

   The workers decided to cease operations until their demands were met.

   Synonyms: stop, end, terminate

   Origin: Middle English 'cesen', from Old French 'cesser', from Latin 'cessare', which is a frequentative form of 'cedere' meaning 'to go, yield'.

2. unify · verb/ˈjunɪfaɪ/

   to make two or more things form a single entity or whole

   The leader aimed to unify the diverse communities into a single, cohesive organization.

   Synonyms: consolidate, integrate, merge

   Origin: from Latin 'unificare', from 'uni-' meaning 'one' + 'facere' meaning 'to make'.

3. integrate · verb/ˈɪntɪɡreɪt/

   to combine one thing with another to form a whole

   The new software was designed to integrate seamlessly with existing systems, improving overall efficiency.

   Synonyms: combine, amalgamate, merge

   Origin: From Latin 'integratus', from 'integrare' meaning 'to make whole, restore, renew'

4. substantiate · verb/səbˈstæn.ʃi.eɪt/

   to provide evidence to support or prove the truth of something

   The scientist was able to substantiate her claims with substantial data collected from multiple experiments.

   Synonyms: verify, validate, confirm

   Origin: Late Middle English: from Latin 'substantiare', from 'substantia' meaning 'substance'

5. undertake · verb/ˌən.dɚˈteɪk/

   to take on or commit to do something

   The new manager decided to undertake a comprehensive review of the company's policies to improve efficiency.

   Synonyms: take on, commit to, embark on

   Origin: Middle English 'undertaken', from 'under-' meaning 'among, between' + 'take' from Old English 'tacan'.