expression, ichidan verb
make a plan; formulate a plan
Standard expression for creating or devising a plan. Used in both personal and professional contexts.
夏休みの旅行の計画を立てよう。
Let's make a plan for the summer vacation trip.
プロジェクトを始める前に、しっかり計画を立てること
It's important to make a solid plan before starting the project.