Adjective
1. being connected or associated;
"painting and the related arts""school-related activities""related to micelle formation is the...ability of detergent actives to congregate at oil-water interfaces"2. connected by kinship, common origin, or marriage
3. similar or related in quality or character;
"a feeling akin to terror""kindred souls""the amateur is closely related to the collector"4. having close kinship and appropriateness;
"he asks questions that are germane and central to the issue"