Focused alertness, quick-thinking resourcefulness, stability of thought and feeling, or good sense, especially in spite of circumstances which are distracting, stressful, or otherwise challenging.

To remember; to be mindful of or pay attention to.

A mind willing to consider new ideas.

(transitive, idiomatic) To remember; to consider; to note.

(idiomatic) To appear suddenly in one's thoughts, often as an example of something.

a religious memorial service held for the deceased one month after their funeral.

That causes the mind to boggle; that is beyond one's ability to understand or figure out.

The psychological state of someone's cognitive processes at a certain time; the condition or character of a person's thoughts or feelings.

(philosophy, uncountable) The area of philosophy which studies the nature and functions of the mind, thought, and consciousness, with attention to such topics as perception, reasoning, belief, memory, will, and identity.

(Buddhism) In the Zen tradition, an awareness of reality that transcends the merely personal or subjective.