comprehensive (adj.)

"containing much in comparatively small limits," 1610s, from French comprehénsif, from Late Latin comprehensivus, from comprehens-, past participle stem of Latin comprehendere "to take together, to unite; include; to comprehend, perceive" (to seize or take in the mind), from com "with, together," here probably "completely" (see com-) + prehendere "to catch hold of, seize," from prae- "before" (see pre-) + -hendere, from PIE root *ghend- "to seize, take." Related: Comprehensively (mid-15c.); comprehensiveness.

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Definitions of comprehensive from WordNet
comprehensive (adj.)
including all or everything;
a comprehensive education
a comprehensive history of the revolution
a comprehensive survey
comprehensive coverage
comprehensive (adj.)
broad in scope;
a comprehensive survey of world affairs
comprehensive (n.)
an intensive examination testing a student's proficiency in some special field of knowledge;
Synonyms: comprehensive examination / comp