The noun has 5 meanings:
Meaning #1:
the activities of educating or instructing or teaching; activities that impart knowledge or skill
Synonyms: instruction, teaching, pedagogy, educational activity
Meaning #2:
knowledge acquired by learning and instruction
Meaning #3:
the gradual process of acquiring knowledge
Meaning #4:
the profession of teaching (especially at a school or college or university)
Meaning #5:
the result of good upbringing (especially knowledge of correct social behavior)
Synonyms: training, breeding
