Definition of thought:

part of speech: noun

That which the mind thinks; the act of thinking; the state of the mind when attending to a particular subject; inward reasoning; an idea; a conception; fancy; imagination; meditation; judgment; solicitude; design or purpose; in familiar language, small degree or quantity, as, " I am a thought better".

part of speech: verb

Pt. and pp. of think, which see.

part of speech: past tense, past participle

Revolved in the mind; considered probable.