When tagging documents in SharePoint 2010, users may not always know the correct terms to apply – the terms established in your Term Store taxonomy. They may, to take a classic example, want to apply the term “doctor” when “physician” is the right tag to use.
You can help them out! Point users to the right tags by using the “Other Labels” feature in the Term Store Management tool. Attach synonymous terms, related terms, or abbreviations as alternate, or “other,” labels to your preferred terms; when users then try to apply to one of these alternate labels to a document, they’ll be steered to the official tag.
Watch the feature in action in this video.