from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To show clearly and deliberately; manifest: demonstrated her skill as a gymnast; demonstrate affection by hugging.
- transitive v. To show to be true by reasoning or adducing evidence; prove: demonstrate a proposition.
- transitive v. To present by experiments, examples, or practical application; explain and illustrate: demonstrated the laws of physics with laboratory equipment.
- transitive v. To show the use of (an article) to a prospective buyer: The salesperson plugged in and demonstrated the vacuum cleaner.
- intransitive v. To give a demonstration: described the dance step, then took a partner and demonstrated.
- intransitive v. To participate in a public display of opinion: demonstrated against tax hikes.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To display the method of using an object.
- v. To show the steps taken to create a logical argument or equation.
- v. To participate in or organize a demonstration.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To point out; to show; to exhibit; to make evident.
- transitive v. To show, or make evident, by reasoning or proof; to prove by deduction; to establish so as to exclude the possibility of doubt or denial.
- transitive v. To exhibit and explain (a dissection or other anatomical preparation).
from The Century Dictionary and Cyclopedia
- To point out; indicate; make evident; exhibit.
- Specifically To exhibit, describe, and explain, as the parts of a dissected body; teach by the ocular use of examples, as a physical science, especially anatomy or any of its principles.
- To establish the truth of; fully establish by arguments; adduce convincing reasons for belief in, as a proposition.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. establish the validity of something, as by an example, explanation or experiment
- v. march in protest; take part in a demonstration
- v. give an exhibition of to an interested audience
- v. provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes
Latin dēmōnstrāre, dēmōnstrāt- : dē-, completely; see de- + mōnstrāre, to show (from mōnstrum, divine portent, from monēre, to warn; see men-1 in Indo-European roots).(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin dēmonstrō ("I show") (Wiktionary)