準じる
じゅんじる · junjiru · JLPT N1 · verb-ichidan
to conform
📏 準 = standard, as in 水準 (water level); 準じる = to go by the standard
準 means standard or level, as in 水準 (water level, a standard). 準じる takes a standard as its guide, so it means to follow, conform to, or apply the same rules to something similar.