Habituation (noun)

1. The process of becoming accustomed to a stimulus or situation, resulting in a decrease in responsiveness over time.
2. The process of adapting or becoming accustomed to something over time.

Origin:

From the latin word "habitare" meaning "to dwell" or "to reside".

Examples:

1. The animal's habituation to the presence of humans allowed us to study it more closely.
2. The patient's habituation to the therapy helped her to overcome her fear.
3. The habituation to the noise helped him to sleep better.
4. The habituation to the medication helped to reduce the side effects.
5. The habituation to the new environment helped her to adapt more easily.