devise - (v.): to plan or invent a new way of doing something

• Synonyms: dream up, form, formulate, invent, come up with, imagine, figure out
• Antonyms: borrow, steal
• Origin: same as yesterday! See device.
• Example: I need to devise a plan for how we are going to produce our WHISKERS videos into one movie for Mrs. Booke.  Maybe I could get an idea by looking at this cool website:

No, this is the absolute greatest and easiest to make paper airplane, no really, try it! - More DIY How To Projects
What is an invention you would like to devise?