Verb
(sports) To complete a gymnastic or other athletic routine involving leaps, vaults, somersaults, etc. by landing firmly, solidly, and flawlessly on one's feet.
(aviation, astronautics) To execute a flawless landing (of an aircraft, rocket, or space capsule).
(idiomatic, by extension) To complete a process in an impressive and conclusive manner.
Source: en.wiktionary.org