Monkey patch ActionView's TranslationHelper to add a custom prefix for keys accessed via lazy lookup (http://guides.rubyonrails.org/i18n.html#looking-up-translations). Use this if you don't want a top level i18n key for each controller in your app - instead all keys sit under a "views" parent (and presumably you'd have other top level keys for o…

translation_helper.rb

# config/initializers/translation_helper.rb
module ActionView
  # = Action View Translation Helpers
  module Helpers
    module TranslationHelper
      private
        def scope_key_by_partial_with_views_prefix(key)
          if key.is_a?(String) && key.first == "."
            key = scope_key_by_partial_without_views_prefix(key)
            "views.#{key}"
          else
            scope_key_by_partial_without_views_prefix(key)
          end
        end

        alias_method_chain :scope_key_by_partial, :views_prefix
    end
  end
end