1. attach 2. bind 3. blend 4. buzz 5. call 6. call up 7. connect 8. fasten 9. fix 10. hook up 11. interlock 12. join 13. link 14. link to 15. link together 16. mix 17. phone 18. put on 19. ring up 20. start 21. switch on 22. tape 23. telephone 24. tie 25. tie up with 26. turn on