"live Long and __" Said Mr Spock

This page is the CodyCross answer for the clue below from Airport, Group 441, Puzzle 3 (Plane Ticket).

Question is: "live Long and __" Said Mr Spock

and the answer is: PROSPER

Word Meaning:

PROSPER — (intransitive) To be successful; to succeed; to be fortunate or prosperous; to thrive; to make gain.

Definitions from Wiktionary.

"Live long and __" said Mr Spock — CodyCross Answer | CodyCross Solutions