come_along
1. [ verb ] come into being or existence, or appear on the scene
Synonyms: appear
Examples:

: "Then the computer came along and changed our lives" "Homo sapiens appeared millions of years ago"

Related terms: vanish occur gleam fulminate apparition
2. [ verb ] develop in a positive way
Synonyms: progress come_on advance get_on shape_up get_along
Examples:

"He progressed well in school" "My plants are coming along" "Plans are shaping up"

Related terms: regress develop develop leapfrog climb improvement