A disturbance in the outer office kept me from thinking up a retort.
I asked tenderly, thinking up dozens of possible catastrophes.
I have been thinking up the music for that song, he went on eagerly.
You always get ahead of me with twenty plans while I'm thinking up one.
Times was thinking up his lecture, and other matters of the panorama.
They come every color you could be naming, and every shape you could be thinking up.
When a boy really makes up his mind to stay home there is no limit to his ingenuity in thinking up some plausible excuse.
Clapping seems affected in a group of three or four, and the business of thinking up well-selected remarks is a serious matter.
Maybe she's thinking up a new class souvenir to go with their rings and hatpins and pins and banners.
I've been thinking up a little scheme that would upset anything like that.