1. close: shut, near, end, terminate, conclude
2. open: unlock, unfasten, start, begin, initiate
3. child: kid, youngster, minor, juvenile, infant
4. boy: lad, youth, teenager, male child, son
5. shout: yell, scream, holler, bellow, roar
6. brave: courageous, fearless, valiant, heroic, daring
7. inform: notify, advise, apprise, enlighten, brief
8. beat: strike, hit, thrash, pound, defeat
9. window: pane, opening, casement, aperture, porthole
10. idea: concept, notion, thought, suggestion, plan