economy|noun|the system by which money, industry and trade are organized
future|adjective|in the time to come (&ldquo;All future meetings will be held in this room.&rdquo;)
history|noun|all the events of the past; the study of past events
mathematics|noun|the science dealing with amounts, sizes and shapes, as explained by numbers and signs
tool|noun|any instrument or device designed to help a person do work
translate|verb|to change a piece of writing or speech from one language to another
