meaningful

/ˈminɪŋfəl/
adjective
  1. Having a clear and important purpose or significance.
    • They had a meaningful conversation about their future.
    • The ceremony was short but very meaningful to the family.
    • She wanted to do something meaningful with her life.
  2. Expressing a serious or important idea; not trivial.
    • His speech was full of meaningful statements about equality.
    • The artist created a meaningful painting about peace.
    • A meaningful glance passed between the two friends.