Amplify

1. v. i. To speak largely or copiously; to be diffuse in argument or description; to dilate; to expatiate; — often with on or upon.
2. v. t. To render larger, more extended, or more intense, and the like; — used especially of telescopes, microscopes, etc.
3. v. t. To enlarge by addition or discussion; to treat copiously by adding particulars, illustrations, etc.; to expand; to make much of.
4. v. i. To become larger.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.