Dream up and Prefab

Dream up verb - Devise or invent.

Prefab and dream up are semantically related In some cases you can use "Prefab" instead a verb "Dream up".

Prefab adjective - Manufactured in standard sizes to be shipped and assembled elsewhere.

Dream up and prefab are semantically related in formulate topic. Sometimes you can use "Dream up" instead a verb "Prefab", if it concerns topics such as assemble, manufacture.