noun

1. Archaic the state or fact of knowledge; knowledge
2. systematized knowledge derived from observation, study, and experimentation carried on in order to determine the nature or principles of what is being studied
3. any specific branch of scientific knowledge, esp. one concerned with establishing and systematizing facts, principles, and methods, as by experiments and hypotheses the science of mathematics
4. 1. the systematized knowledge of nature and the physical world
   2. any branch of this
5. skill based upon systematized training the science of cooking
6. ☆ Christian Science

Etymology: OFr < L scientia < sciens, prp. of scire, to know, orig., to discern, distinguish < IE base *skei-, to cut, separate > sheath, shin, ship, ski, L scindere, to cut