1. come along - Noun
2. come along - Verb
3. come along - Interjection
develop in a positive way
come into being or existence, or appear on the scene
Source: WordNetcome-along
He progressed well in school Source: Internet
My plants are coming along Source: Internet
Plans are shaping up Source: Internet
Then the computer came along and changed our lives Source: Internet
Homo sapiens appeared millions of years ago Source: Internet
After he attended to me, he asked me to come along and pointed at one door and said “enter that room; they will attend to you it is for elders and it is your right”. Source: Internet