cogitate
verb (used without object)
to think hard; ponder; meditate.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Alas, poor cogitator," Carlyle exclaims, "this takes us but a little way.
From The Nuttall Encyclopædia Being a Concise and Comprehensive Dictionary of General Knowledge by P. Austin Nuttall