Collocations for demonstrate - verb

amply, beyond doubt, clearly, conclusively, convincingly, effectively, powerfully, successfully, well
The study demonstrates beyond doubt the effectiveness of the new drug.

consistently, repeatedly
adequately
further
easily
elegantly, neatly (esp. BrE)
empirically, experimentally
directly
publicly
graphically, vividly
This tragedy graphically demonstrates the dangers of extreme sports.

to
The President must demonstrate to the country that he is really in control.

peacefully

against
Campaigners were demonstrating against the slaughter of dolphins.

for
Their objective was to demonstrate peacefully for civil rights.

Demonstrate is used with these nouns as the subject:
article, evidence, examination, example, experiment, finding, incident, investigation, paper, protester, record, report, research, result, study, test, trial

Demonstrate is used with these nouns as the object:
ability, acumen, agility, aspect, association, authority, bias, bravery, capability, capacity, command, commitment, competence, complexity, confidence, consistency, contempt, correlation, courage, creativity, decrease, dedication, desire, determination, difference, disregard, dominance, effect, effectiveness, efficiency, empathy, excellence, existence, extent, feasibility, flexibility, folly, futility, gallantry, idea, ignorance, importance, improvement, inability, inadequacy, incompatibility, incompetence, increase, indifference, influence, ingenuity, innocence, intelligence, knack, knowledge, leadership, limitation, link, love, loyalty, mastery, maturity, need, openness, perseverance, persistence, potential, power, preference, proficiency, progress, prowess, readiness, reduction, relationship, relevance, reliability, resilience, restraint, seriousness, sincerity, skill, solidarity, sophistication, stupidity, suitability, superiority, support, talent, taste, technique, understanding, usefulness, utility, validity, valour, value, variability, vulnerability, weakness, willingness, worth