Determine vs Establish

When to use each in English, with meaning, register, and examples.

Determine

Top 1,000 (very common)B1verb

Establish

Top 1,000 (very common)B2verb
 DetermineEstablish
Pronunciation🇬🇧 /["/dɪˈtɜːmɪn/","/dɪˈtɜːmɪnz/","/dɪˈtɜːmɪnd/","/dɪˈtɜːmɪnɪŋ/"]/🇺🇸 /["/dɪˈtɜːrmɪn/","/dɪˈtɜːrmɪnz/","/dɪˈtɜːrmɪnd/","/dɪˈtɜːrmɪnɪŋ/"]/🇬🇧 /["/ɪˈstæblɪʃ/","/ɪˈstæblɪʃɪz/","/ɪˈstæblɪʃt/","/ɪˈstæblɪʃɪŋ/"]/🇺🇸 /["/ɪˈstæblɪʃ/","/ɪˈstæblɪʃɪz/","/ɪˈstæblɪʃt/","/ɪˈstæblɪʃɪŋ/"]/
MeaningTo find out or decide something.To set up or create something.
ExampleIt is essential to determine the main cause of the problem.The scientist aims to establish a new theory of evolution.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB1B2
Part of speechverbverb
Collocationsexactly, precisely, reliably, try to, be used to, help to, biologically, culturally, geneticallyinitially, originally, formally, attempt to, seek to, try to, an attempt to establish something, an effort to establish something, newly established, initially, originally, formally, attempt to, seek to, try to, an attempt to establish something, an effort to establish something, newly established, firmly, securely, fully, attempt to, seek to, try to, as, become established, get established, previously established, conclusively, definitely, definitively, attempt to, seek to, try to, an attempt to establish something, an effort to establish something
Antonymsconfuse, neglect, ignoredisband, dissolve, destroy
Common mistakesUsing 'determine' in the wrong tense., Confused with 'decide' or 'discover'., Incorrectly using as a standalone without an object.Incorrectly using 'establish' as a synonym for 'create' without context., Confusing 'establish' with 'find' or 'discover'., Using 'establish' in transitive constructions without an object.
Usage notesUse 'determine' when making a decision based on information or evidence. It's appropriate in both written and spoken context but can sound formal in casual conversation.Use 'establish' in formal and academic contexts when setting up institutions, relationships, or laws. It's less common in casual conversation.

Frequently asked questions: Determine vs Establish

What's the difference between Determine and Establish?

Determine: To find out or decide something. Establish: To set up or create something.

Are Determine and Establish the same CEFR level?

Determine: B1, Establish: B2 on the CEFR scale.

Can I use Determine and Establish interchangeably?

Not always. Determine and Establish are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.