noun thought; idea.
2. invention ·noun a fabrication to deceive; a fiction; a forgery; a falsehood.
3. invention ·noun the faculty of inventing; imaginative faculty; skill or ingenuity in contriving anything new; as, a man of invention.
4. invention ·noun that which is invented; an original contrivance or construction; a device; as, this fable was the invention of esop; that falsehood was her own invention.
5. invention ·noun the exercise of the imagination in selecting and treating a theme, or more commonly in contriving the arrangement of a piece, or the method of presenting its parts.
6. invention ·noun the act of finding out or inventing; contrivance or construction of that which has not before existed; as, the invention of logarithms; the invention of the art of printing.