3 adjectives to describe simmer

Place the squash in a clean cloth, mash thoroughly, squeeze until the squash is quite dry, or rub through a fine colander and afterward simmer until neatly dry; season with cream, and a little salt if desired, and heat again before serving.

For some days there had been an energetic simmer of rebellion among the four elder children against a new edict of early rising which was surely somewhat arbitrary.

Put the pieces of meat to be stewed in the inner dish, add hot water enough to cover, fill the outer boiler with hot water, and let this outer water simmer very gently until the meat is perfectly tender.

3 adjectives to describe  simmer