excogitate

How to sign: 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";

Similiar / Same: chew over, think over, meditate, ponder, muse, mull, mull over, ruminate, reflect, speculate, contemplate

Categories: cerebrate, cogitate, think

Within this category: bethink, cogitate, introspect, premeditate, puzzle, study, theologize, wonder

excogitate

How to sign: come up with (an idea, plan, explanation, theory, or priciple) after a mental effort
"excogitate a way to measure the speed of light";

Similiar / Same: invent, devise, contrive, formulate, forge

Categories: create by mental act, create mentally