prove
prove /ˈpruːv/
verb

()
Be shown or be found to be
(
turn up
, turn out
, prove
)
be shown or be found to be
She proved to be right
She proved to be right
The medicine turned out to save her life
The medicine turned out to save her life
She turned up HIV positive
She turned up HIV positive

()
Establish the validity of something, as by an example, explanation or experiment
(
shew
, demonstrate
, establish
, prove
, show
)
establish the validity of something, as by an example, explanation or experiment
The experiment demonstrated the instability of the compound
The experiment demonstrated the instability of the compound
The mathematician showed the validity of the conjecture
The mathematician showed the validity of the conjecture

()
(law) provide evidence for
(
bear witness
, testify
, evidence
, prove
, show
)
(law) provide evidence for
The blood test showed that he was the father
The blood test showed that he was the father
Her behavior testified to her incompetence
Her behavior testified to her incompetence

()
Prove formally; demonstrate by a mathematical, formal proof
(
prove
)
prove formally; demonstrate by a mathematical, formal proof
The scientist conducted experiments to prove their hypothesis.
The scientist conducted experiments to prove their hypothesis.

(law) obtain probate of
(
prove
)
(law) obtain probate of
Prove a will
prove a will

Take a trial impression of
(
prove
)
take a trial impression of

Cause to puff up with a leaven
(
leaven
, prove
, raise
)
cause to puff up with a leaven
Unleavened bread
unleavened bread

Increase in volume
(
prove
, rise
)
increase in volume
The dough rose slowly in the warm room
the dough rose slowly in the warm room

Put to the test, as for its quality, or give experimental use to
(
essay
, prove
, examine
, test
, try
, try out
)
put to the test, as for its quality, or give experimental use to
This approach has been tried with good results
This approach has been tried with good results
Test this recipe
Test this recipe