vocab CEFR B2 Ex.08 Match the words from the box with the definitions. Then press "Check" to mark your answers. hypothesis economist motivate inhabitant challenge perceive clip info teen federal [adjective] of or relating to a system of government in which a number of states are united under and recognize the authority of a central government, yet have their own governments as well. [noun] a proposed explanation that accounts for observed phenomena or known facts and that can be used to guide further investigation. [transitive verb] to cut off, cut out, or trim, as by scissors or trimmers. [noun] one that permanently lives in a place; resident. [noun] a person who has expertise in the study of economics. [noun] shortened form of information. [transitive verb] to invite, especially in a provocative manner, to enter into a battle or other contest of skill. [transitive verb] to become aware of by means of the senses. [adjective] teen-age. [transitive verb] to cause to move or act by giving incentive or inspiration. Check OK Back to CEFR Vocabulary Tests Main Page