Definition

1. Adverb:
   • For that reason; as a result; consequently: "therefore" is used to introduce a statement that is a logical conclusion or consequence of something previously mentioned.

Usage

• Position in a sentence: "Therefore" is typically used at the beginning of a clause or sentence that states a conclusion. It can also be placed before the main verb or after the subject.
• Function: It connects a cause or reason to its effect or conclusion. It is a formal transition word, common in academic, legal, and logical writing.

Examples

• Introducing a conclusion:
• Within a sentence:

Advanced Usage

• In logical arguments: "Therefore" is crucial in syllogisms and formal reasoning to signal the deduced conclusion.
• In legal and official documents: Used to state a formal finding or judgment.

Variants and Related Words

• Hence (adv.): For this reason; from this time. (Slightly more formal, can imply a sense of "from this source/point.")
• Thus (adv.): In this way; as a result. (Often used to summarize or indicate manner as well as consequence.)
• Consequently (adv.): As a result. (Very similar in meaning, often interchangeable with "therefore.")
• Accordingly (adv.): In a way that is appropriate to the particular circumstances; consequently.

Synonyms

• As a result
• For that reason
• Ergo (formal, Latin origin)
• So (less formal)

Related Phrases

• And therefore: Used for slight emphasis when connecting clauses.
• Therefore, it follows that: A phrase used to explicitly introduce a logical deduction.

Adverb

1. as a consequence
   • he had good reason to be grateful for the opportunities which they had made available to him and which consequently led to the good position he now held
2. (used to introduce a logical conclusion) from that fact or reason or as a result
   • therefore X must be true
   • the eggs were fresh and hence satisfactory
   • we were young and thence optimistic
   • it is late and thus we must go
   • the witness is biased and so cannot be trusted