Protest

v. demonstrate, remonstrate; assert, make a declaration; assert objection, declare opposition

n. demonstration; objection; opposition; attestation, formal statement of disputation (Law)

Pro-Test is also the name of an Oxford based pro-animal testing group Protest expresses relatively overt reaction to events or situations: sometimes in favor, though more often opposed. Protesters may organize a protest as a way of publicly and forcefully making their opinions heard in an attempt to influence public opinion or government policy, or may undertake direct action to attempt to directly enact desired changes themselves.
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Noun
1. a formal and solemn declaration of objection; "they finished the game under protest to the league president"; "the senator rose to register his protest"; "the many protestations did not stay the execution"
(synonym) protestation
(hypernym) objection
2. the act of protesting; a public (often organized) manifestation of dissent
(synonym) objection, dissent
(hypernym) resistance
(hyponym) boycott
(derivation) resist, dissent
3. the act of making a strong public expression of disagreement and disapproval; "he shouted his protests at the umpire"; "a shower of protest was heard from the rear of the hall"
(hypernym) objection
Verb
1. utter words of protest
(hypernym) complain, kick, plain, sound off, quetch, kvetch
(hyponym) declaim, inveigh
2. express opposition through action or words; "dissent to the laws of the country"
(synonym) resist, dissent
(hypernym) oppose, controvert, contradict
(hyponym) strike, walk out
(derivation) objection, dissent
3. affirm or avow formally or solemnly; "The suspect protested his innocence"
(hypernym) affirm, verify, assert, avow, aver, swan, swear
(derivation) protestation

n. protest, protestation, objection, opposition; remonstrance, demonstration; formal statement of disputation (Law)

n. protest, protestation, obtestation, reclamation, representation, remonstrance, challenge, caveat