excogitate

英 [ɪks'kɒdʒɪteɪt; eks-] 美[ɛks'kɑdʒə,tetɪv]

• vt. 想出；发明；设计

1. come up with (an idea, plan, explanation, theory, or priciple) after a mental effort;

"excogitate a way to measure the speed of light"

2. reflect deeply on a subject;

"I mulled over the events of the afternoon"

"philosophers have speculated on the question of God for thousands of years"

"The scientist must stop to observe and start to excogitate"