1. To make larger or more powerful; increase. 2. To add to, as by illustrations; make complete. 3. To exaggerate. 4. To produce amplification of: amplify an electrical signal.
INTRANSITIVE VERB:
To write or discourse at length; expatiate: Let me amplify so that you will understand the overall problem.
ETYMOLOGY:
Middle English amplifien, from Old French amplifier, from Latin amplificre : amplus, large + -ficre, -fy.