► so conjunction for the reason that you have mentioned:
It was a lovely day, so they went to the beach.➔ And so is also used, but it is more informal and is used more in speech: I was tired and so I said, “Can we go home, please?”► therefore adverb (formal) for the reason that you have mentioned:
This house is smaller, and therefore cheaper.► as a result adverb used when you are giving the result of something:
Her husband was having to work longer hours. As a result, they spent less time together.They were given new information and changed their minds as a result. ➔ GRAMMAR: As a result can be used at the beginning or end of a sentence.► thus adverb (formal) as a result of what you have just mentioned:
The problem was more serious than they had thought, and thus took longer to solve.► consequently AWL adverb (formal) as a result of what you have just mentioned:
He did no work and consequently failed the exam.► for this reason adverb because of what you have just mentioned:
It is important that your résumé contains no errors. For this reason, you should check it carefully.► thereby AWL adverb (formal) with the result that something happens:
The equipment was left in a dangerous state, thereby creating a risk of injury to workers.