Mind, or an act of the mind; understanding; the mental faculties generally; frame of mind, will, spirit; perception, judgement; what is in the mind…

State of thought and feeling; mood. Usually with respect to a specific characteristic, as peace or anxiety, sorrow or joy. Frequently in to set one…

In adverbial phrases indicating the attitude, disposition, or frame of mind with which something is done, considered, or viewed.

colloquial. Originally North American. A (temporary) state of mind; a mindset. Frequently with in.

= mindset, n.