takeoff
Definitions
The process of an aircraft leaving the ground and beginning flight.
A rapid increase, success, or start of an activity or enterprise.
An act of mimicking or parodying someone or something.
Examples
The plane was delayed for an hour before it was finally cleared for takeoff.
Please ensure your seatbelt is fastened securely during takeoff and landing.
The startup company experienced a rapid takeoff in sales after their product went viral.