Verb (5-dan, う, intransitive)
1. to run along; to run beside; to stick to (a line)
この先は、崖に沿った細い道を歩くことになる。From here on, you will have to walk along a narrow path that runs beside the cliff.
2. to follow (a policy, plan, etc.); to act in accordance with; to align with
今の計画に沿った上での動きを考えている。I am considering actions that align with the current plan.
3. to meet (wishes, expectations, etc.); to satisfy; to comply with; to live up to
also written 添う
あなたのご希望には沿いかねます。I'm afraid I cannot comply with your wishes.