Meaning : Establish the validity of something, as by an example, explanation or experiment.
The experiment demonstrated the instability of the compound.
The mathematician showed the validity of the conjecture.
Meaning : Prove formally. Demonstrate by a mathematical, formal proof.
Meaning : Increase in volume.
The dough rose slowly in the warm room.
Synonyms : rise
Meaning : Take a trial impression of.
Meaning : Obtain probate of.
Prove a will.