What is to fix the mind closely upon a subject; to dwell upon anything in thought; to muse; to ponder. Chaucer. I found a moral first, and then studied for a fable. Swift called?

study — To fix the mind closely upon a subject; to dwell upon anything in thought; to muse; to ponder. Chaucer. I found a moral first, and then studied for a fable. Swift. (Webster's 1913.)

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