dem|on|strate

dem|on|strate «DEHM uhn strayt», verb, -strat|ed, -strat|ing.

–v.t.

1. to establish the truth of, for example by argument or deduction; show clearly; prove; attest: »

Can you demonstrate that the earth is round?

2. to explain by carrying out experiments, or by showing and explaining samples or specimens; show how (a thing) is done: »

The science teacher demonstrated the use of the magnet and the balance in class.

3. to show, advertise, or make known by carrying out a process in public; show the merits of (a thing for sale): »

The salesman washed some clothes to demonstrate his washing machine to us.

SYNONYM(S): exhibit.

4. to show (feeling) openly: »

She demonstrated her love for the baby by giving it a big hug when she arrived home.

SYNONYM(S): evince, reveal, evidence.

5. Obsolete. to point out; indicate.

–v.i.

1. to take part in a parade or meeting to protest or to make demands: »

An angry crowd demonstrated in front of the mayor's office for more police protection.

SYNONYM(S): manifest.

2. to display military strength to frighten or deceive an enemy.

3. to teach by demonstrating.

╂[< Latin dēmōnstrāre (with English -ate¹) < dē- (intensive) + mōnstrāre to show < mōnstrum (originally) divine omen; wonder]