Sound milestone Synonyms

Definitions for Sound

(verb) to continue or be repeated in a series of reflected sound waves
(verb) to give the impression of being
(verb) to make known (as an idea, emotion, or opinion)

SM abbreviation

SM is an abbreviation for Sound Milestone

What does SM stand for?

SM stands for "Sound Milestone"

Definitions for Milestone

(noun) a point in a chain of events at which an important change (as in one's fortunes) occurs
(noun) stone post at side of a road to show distances
(noun) a significant event in your life (or in a project)