The phrase "doeth take-off" can have several synonyms that can be used depending on the context. Some of these synonyms include departure, lift-off, launch, ascent, and liftoff. These words all convey a similar meaning of a plane or rocket leaving the ground and ascending into the air. The specific choice of wording may depend on the tone or level of formality of the context. For example, "lift-off" may be more commonly used in a technical or scientific setting, while "departure" may be more suited for a more casual setting. Regardless of the choice of synonym, the idea of an object leaving the ground and soaring into the sky remains consistent.