Breaking-in refers to the process of wearing and adjusting something new until it becomes comfortable and functional. Synonyms for breaking-in include seasoning, conditioning, adapting, acclimatizing, familiarizing, getting used to, and breaking-in. Seasoning is commonly used to refer to the process of making materials such as wood, iron, and leather more durable. Conditioning entails strengthening, preserving, and softening materials. Adapting and acclimatizing refer to the process of adjusting to new surroundings, weather conditions, and situations. Familiarizing and getting used to describe the process of becoming familiar with something by using it regularly. Finally, breaking-in refers to the process of making something less stiff and adjusting it to fit comfortably.