Synonyms for prove

be shown or be found to be (verb)

establish the validity of something, as by an example, explanation or experiment (verb)

• demonstrate
• establish
• show
• shew

provide evidence for (verb)

• testify
• evidence

put to the test, as for its quality, or give experimental use to (verb)

• test
• try
• examine
• essay

increase in volume (verb)

• rise

cause to puff up with a leaven (verb)

• raise
• leaven