Antonyms for the word "iron-handed" include mild, gentle, lenient, easygoing, lax and permissive. These words imply a softer, more relaxed approach to authority and decision-making. Someone who is "iron-handed" may be perceived as strict or harsh, while the opposite would be seen as sympathetic and compassionate. A gentle or lenient approach may be better suited to situations that require flexibility and understanding, rather than a rigid adherence to rules and regulations. It is important to consider both sides of the spectrum when dealing with different circumstances, finding the balance between firmness and empathy.