The best replacement for kit lens is prime lens.

The best alternatives to kit lens are rated as following:
★★★★★  prime lens
★★★★  pro lens
★★★★  l lens
★★★  50mm
★★  wide angle
★★  tamron 17-50
★★  35mm 1.8
★★  tamron
★  tamron 17 50
★  50mm 1.8
★  17 85
★  nikon kit lens
  50mm prime
  17 40

Your alternative for kit lens is not listed? Suggest!
Speaking about kit lens, one probably shouldn't forget about d600.

Other search terms related to kit lens and their ratings are:
★★★★★ d600
★★★ d90
★★★ nikon d90
★★★ 60d
★ 7d
★ t3i
★ 50d
450d
canon 7d
You have in mind a companion for kit lens and it is not yet here? Propose!



Google Trends

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kit lens
prime lens
pro lens