1
Core logical function
Introduce a conclusion or result that follows from the preceding information.
Example
The seal was broken; therefore, the sample could not be treated as uncontaminated.
therefore
/ˈðeəfɔː/ · THAIR-forconsequence transition
Introduce a conclusion or result that follows from the preceding information.
Use therefore to express this relationship precisely: introduce a conclusion or result that follows from the preceding information.
What therefore Really Means
The word becomes easier to use when its closely related senses are separated and compared.
2
Sentence connection
Use this expression in its normal grammatical frame so the relationship between the surrounding ideas remains explicit.
Example
The two groups differed at baseline. Therefore, their later scores were adjusted before comparison.
3
Argument-level effect
It tells the reader how to interpret the timing, scope, evidence, contrast, condition, or consequence in the statement.
Example
No contemporary record names the builder; the attribution is therefore uncertain.
Use therefore Naturally
Notice how the surrounding noun or clause reveals the exact shade of meaning.
The seal was broken; therefore, the sample could not be treated as uncontaminated.
The two groups differed at baseline. Therefore, their later scores were adjusted before comparison.
No contemporary record names the builder; the attribution is therefore uncertain.
Precision Matters
Therefore overlaps with several common words, but each carries a different emphasis.
therefore
vs.Means introduce a conclusion or result that follows from the preceding information.
hence
Means introduce a conclusion or result that follows from what precedes; in time expressions, mean from now or then.
therefore
vs.Means introduce a conclusion or result that follows from the preceding information.
consequently
Means as a result; introduces a consequence of what precedes.
therefore
vs.Means introduce a conclusion or result that follows from the preceding information.
for this reason
Means introduce a conclusion, action, or result justified by the immediately preceding reason.
therefore
vs.Means introduce a conclusion or result that follows from the preceding information.
thus
Means introduce a result or conclusion; it can also mean in this way.
Test therefore in Context
The unreliability follows directly from the missing calibration.
1
The instrument had not been calibrated; ___, its readings could not be compared reliably with the others.