Alter Aeon Online Help

Keywords are:  'use using'

Usage:
use <held staff>
use <held wand> [optional target]
use <armor>
use <weapon>
use <key> <door or container>
use <potion>
use <scroll> [optional target]
use <object> <some other object>

The use command allows you to use objects for various things, from opening
doors and chests to using the magic in magic scrolls and potions.  If you
start using a piece of armor or a weapon, you can use the 'remove' command
to stop using it.