1. [v]  increase the volume of; "amplify sound"
2. [v]  exaggerate or make bigger; "The charges were inflated"
3. [v]  increase in size, volume or significance; "Her terror was magnified in her mind."
4. [v]  to enlarge beyond bounds or the truth; "tended to romanticize and exaggerate this ``gracious Old South'' imagery"

AMPLIFY is a 7 letter word that starts with A.

1. \Am"pli*fy\, v. t. [imp. & p. p. {Amplified}; p. pr. &
   vb. n. {Amplifying}.] [F. amplifier, L. amplificare. See
   {Ample}, {-fy}.]
   1. To render larger, more extended, or more intense, and the
      like; -- used especially of telescopes, microscopes, etc.
   2. (Rhet.) To enlarge by addition or discussion; to treat
      copiously by adding particulars, illustrations, etc.; to
      expand; to make much of.
            Troilus and Cressida was written by a Lombard
            author, but much amplified by our English
            translator.                           --Dryden.
   

2. \Am"pli*fy\, v. i.
   1. To become larger. [Obs.]
            Strait was the way at first, withouten light, But
            further in did further amplify.       --Fairfax.
   2. To speak largely or copiously; to be diffuse in argument
      or description; to dilate; to expatiate; -- often with on
      or upon. --Watts.
            He must often enlarge and amplify upon the subject
            he handles.                           --South.