The best replacement for configuration is conformation.

The best alternatives to configuration are rated as following:

★★★★★	conformation
★★★★★	customization
★★	convention
★★	settings
★★	setup
★	programming
★	provisioning
★	user configuration
★	relative configuration
★	customisation
★	cluster configuration
	customization sap
	system restore
	confirmation
	computer configuration
	orbital diagram
	annotationconfiguration
	energy levels
	electron configuration
	customization siebel

Your alternative for configuration is not listed? Suggest!

Speaking about configuration, one probably shouldn't forget about periodic table.

Other search terms related to configuration and their ratings are:

★★★★★	periodic table
★★★★	ions
★★	spring
★	noble gases

You have in mind a companion for configuration and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of configuration in all years. Click on graph for more.

configuration

conformation

customization