"Ex tensibleness" refers to the ability to be extended or stretched. Some synonyms for this word may include stretchability, elasticity, pliability, suppleness, and flexibleness. These terms are all related to the physical property of being able to be stretched, but can also be used metaphorically to describe a person's ability to adapt and adjust to new situations. Other related terms might include resilience, adaptability, and malleability. Whether referring to a physical object or a person's character, the concept of ex tensibleness is an important one, as it allows us to understand how things and people can change and adapt over time.