Coplanar refers to geometric figures or objects that lie in the same plane. Synonyms for coplanar can include plane, co-planar, flat, leveled, parallel, or even consistent. These synonyms are often used interchangeably to describe objects that are positioned on the same plane, such as points, lines, or shapes. Additionally, coplanar can also describe physical arrangements of objects, such as structures or furniture, that are situated parallel to one another on a flat surface. Whatever the context, synonyms for coplanar can be useful in conveying precise details about the spatial relationships between different elements in a given setting.