required by rule, Obligatory, necessary for relief or supply, verb_ Simple past tense and past participle of require

anything indispensable, A necessity or prerequisite; something required or obligatory, That which requires the doing of something; an authoritative or imperative command; an essential condition; claim

Plural form of requirement

Third-person singular simple present indicative form ofÿrequire

Demand; requisition; requirement, verb_ Present participle of require

The act of rescuing; deliverance from restraint, violence, or danger; liberation, The forcible ending of a siege; liberation from similar military peril, recovery or preservation from loss or danger, verb_ free from harm or evil, To free or liberate from confinement or other physical restraint, To recover forcibly, transitive verb_ To free or deliver from any confinement, violence, danger, or evil; to liberate from actual restraint; to remove or withdraw from a state of exposure to evil, Law To remove (a person or property) from legal custody by force, in violation of the law, To cause to be free from danger, imprisonment, or difficulty; save. synonym_ save

Diligent inquiry or examination in seeking facts or principles; laborious or continued search after truth, systematic investigation to establish facts, An act or period of such study, intransitive verb_ To engage in or perform research, To study (something) thoroughly so as to present in a detailed, accurate manner, To do research for, transitive verb_ To search or examine with continued care; to seek diligently, To search or examine with continued care; to seek diligently, To search again, verb_ attempt to find out in a systematically and scientific manner, inquire into

One who makes researches; one who is engaged in research, a scientist who devotes himself to doing research, One who conducts research. In the field of scientific research, also called an investigator or scientis

noun_Plural form of researcher

a company or individual that purchases goods or services with the intention of reselling them rather than consuming or using them