Fetching details from the dictionary...

to build; to construct; to erect
to build up (a reputation, position, fortune, etc.); to establish (a relationship, household, tradition, etc.); to lay (a foundation)
先人が築いた文化を大切にする。
I value the culture built by our predecessors.
彼らは時間をかけて新しい関係を築いた。
They built a new relationship.
信頼を築くには時間がかかる。
It takes time to build trust.