"Appropriate action" refers to the correct or suitable course of steps to be taken in a given situation. It means choosing and carrying out actions that are fitting or relevant to address a problem or achieve a particular goal. Full definition
Where this occurs, the institution should take appropriate action in accordance with its usual procedures. (educationbusinessuk.net)
Perform regular property inspections and take appropriate action in accordance with established policies and procedures. (irem.org)
While some trainers continue to jerk dogs around and punish them for mistakes, others choose to reward the dog for appropriate actions even before they are formally taught a command. (canismajor.com)