Experimentation (noun)

1. The action or process of carrying out experiments, especially in order to discover or test the truth of something.
2. A process of trying out or trying out new ideas or methods in order to improve something.
3. An experiment or a series of experiments.

Origin:

Mid 19th century: from experiment + -ation.

Examples:

1. The experimentation showed that the new drug was effective in treating the disease.
2. The experimentation involved testing different variations of the product.
3. The experimentation was carried out in a controlled laboratory environment.
4. The experimentation led to important breakthroughs in the field of medicine.
5. The experimentation resulted in new theories and understanding of the subject.