The best replacement for default gateway is default route.

The best alternatives to default gateway are rated as following:
★★★★★  default route
★★★  ipv4
★★★  ip address
★★★  gateway of last resort
★★  wan ip
★  default network
★  dns server
★  ip route
★  static route
  broadcast address
  ip default network

Your alternative for default gateway is not listed? Suggest!
Speaking about default gateway, one probably shouldn't forget about dhcp.

Other search terms related to default gateway and their ratings are:
★★★★★ dhcp
★★★★★ no router
★★★ static ip
You have in mind a companion for default gateway and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of default gateway in all years. Click on graph for more.
default gateway
default route
ipv4