The company’s move to reduce waste was a deliberate step toward sustainability.

deliberate 是形容词，意思是"故意的、经过深思熟虑的"。这个词来自拉丁语 deliberatus，由 de-（完全地）和 librare（权衡）组成，字面意思是"经过充分权衡的"，引申为"谨慎考虑的"或"有意的"。