1. something or someone is completely suitable or absolutely right for a situation or purpose
Professional
Social
that suits me down to the ground
If you say something 'suits somebody down to the ground', you might mean that it is perfect for him or her in terms of matching their skills or abilities, or their likes and dislikes. It can also be used to express that something is convenient. This is an idiomatic expression that can be used in professional and social contexts.