plan; come up with an idea, plan, explanation, theory, or principle after mental effort
The engineer invented a new device that automates the manufacturing process completely.
Vocabulary like device appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.
goalless; marked by lack of definite plan or regularity or purpose
disconnect; cause to become detached or separated; take off
notice; discover or determine the existence, presence, or fact of
discourage; try to prevent; show opposition to
firmness of purpose; devoting full strength and concentrated attention to something
restraint; something immaterial that interferes with or delays action or progress
harmful; (sometimes followed by to?) causing harm or injury
stray; turn aside; turn away from