51.

1. rise
2. raise
3. arise
4. arouse

52.

1. confines
2. setbacks
3. limits
4. limitations

53.

1. set in
2. setoff
3. set up
4. set down

54.

1. full
2. meager
3. emaciated
4. rechargeable

55.

1. can imagine
2. can be imagined
3. could have imagined
4. could have been imagined

56.

1. craft
2. device
3. spirit
4. inspiration

57.

1. Likewise
2. Nevertheless
3. In brief
4. For example

58.

1. sculptures
2. operas
3. fictions
4. work

59.

1. replay
2. repetition
3. dreams
4. nightmares

60.

1. recite
2. reiterate
3. reinvent
4. reinforce

(Reference keys.)