There are hundreds of devices that will work. A simple walk down to your local electronics store and ask. I'm sure they sell no less than 6 different models priced from $30 - $300. Don't get caught up in features or bells and whistles, get the cheapest one you feel comfortable with.

Trying to use your language..

WiFi Adapter: Allows a single, non-Wifi device, access to an existing WiFi network.

WiFi Router/Access Point: Creates a WiFi network by translating ethernet to and from WiFi. Can handle many devices at once. Most have additional ethernet ports for desktop computers and other ethernet devices.