Which term best describes actions intended to generate goodwill?

The term that best describes actions intended to generate goodwill is "conciliatory." This term refers to efforts made to soothe, appease, or reconcile with others, often in the context of resolving conflicts or promoting harmony. Conciliatory actions are characterized by an intention to foster positive relationships and consensus, which naturally leads to goodwill among parties involved.

In contrast, adversarial, antagonistic, and hostile all imply a sense of opposition or conflict. Adversarial actions are those that create a competitive or oppositional environment. Antagonistic behavior is marked by hostility or active opposition, while hostile actions are aggressive and detrimental to relationships. None of these terms align with the intention of generating goodwill, which is inherently about cooperation and understanding. Therefore, "conciliatory" is the correct term to describe actions aimed at building positive relationships and goodwill.