conduct an inquiry or investigation of; "The district attorney's office investigated reports of possible irregularities"; "inquire into the disappearance of the rich old lady"
investigate scientifically; "Let's investigate the syntax of Chinese"
the act of starting something for the first time; introducing something new; "she looked forward to her initiation as an adult"; "the foundation of a new scientific society"; "he regards the fork as a modern introduction"
a formal entry into an organization or position or office; "his initiation into the club"; "he was ordered to report for induction into the army"; "he gave a speech as part of his installation into the hall of fame"
a knowledge domain that you are interested in or are communicating about; "it was a limited domain of discourse"; "here we enter the region of opinion"; "the realm of the occult"
territory over which rule or control is exercised; "his domain extended into Europe"; "he made it the law of the land"
the set of values of the independent variable for which a function is defined
a part of a structure having some specific characteristic or function; "the spacious cooking area provided plenty of room for servants"
the extent of a 2-dimensional surface enclosed within a boundary; "the area of a rectangle"; "it was about 500 square feet in area"
a part of an animal that has a special function or is supplied by a given artery or nerve; "in the abdominal region"
a subject of study; "it was his area of specialization"; "areas of interest include..."
a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography); "it was a mountainous area"; "Bible country"
a room used for reading and writing and studying; "he knocked lightly on the closed door of the study"
a state of deep mental absorption; "she is in a deep study"
applying the mind to learning and understanding a subject (especially by reading); "mastering a second language requires a lot of work"; "no schools offer graduate study in interior design"
a composition intended to develop one aspect of the performer's technique; "a study in spiccato bowing"
someone who memorizes quickly and easily (as the lines for a part in a play); "he is a quick study"
learn by reading books; "He is studying geology in his room"; "I have an exam next week; I must hit the books now"
be a student; follow a course of study; be enrolled at an institute of learning
think intently and at length, as for spiritual purposes; "He is meditating in his study"
give careful consideration to; "consider the possibility of moving"
composition (often improvised) for a solo instrument (especially solo organ) and not a regular part of a religious service or musical performance
of your own free will or design; not forced or compelled; "man is a voluntary agent"; "participation was voluntary"; "voluntary manslaughter"; "voluntary generosity in times of disaster"; "voluntary social workers"; "a voluntary confession"
controlled by individual volition; "voluntary motions"; "voluntary muscles"