a skillful or efficient way of doing or achieving something

perform a scientific procedure, especially in a laboratory, to determine something

to do again

to grasp the significance, implications, or importance of

grows, advances, matures, changes

to change from one unit of measure or form to another; to change in the form of measurement, different units, without a change in the size or amount

observe and check the progress or quality of something over a period of time

cause (someone) to do something through reasoning or argument

examine methodically for purposes of explanation

to put into effect

a formal statement or announcement.