Thinking

Thinking a general Name for an Act or Operation of the Mind, Cogitations which bear several Names according to their various Modes, as

When an Idea recurs to the Mind, without the Object being present it is called Remembrance.

When the Mind seeks after it, and it is brought again into View, it is called Recollection.

When an Idea is held long in the Mind under attentive Consideration, it is called Contemplation.

When Ideas float in the Mind, without Regard or Reflection, it is called a Revery.

When Ideas are taken express Notice of, and as it were register’d in the Memory, it is called Attention. And when the Mind fixes an Idea in View, and considers it on all Sides, it is called Study and Intention.

Definition taken from The Universal Etymological English Dictionary, edited by Nathan Bailey (1736)

Teˊrrae-filius [i. e. the Son of the Earth] * Thiˊrdendeal