Antonyms of collapse :
bounce, dash, drive, energy, ginger, go, liveliness, pep, punch, sap, snap, starch, verve, vigor, vim, vitality, zing, zip, might, muscle, potency, power, puissance, strength, briskness, jauntiness, spiritedness, sprightliness, vivaciousness, vivacity, refreshment, rejuvenation, rejuvenescence, revitalization, victory, win, accomplishment, achievement, success.
Examples of usage:
Press the brake of the foot as you roll around the corners to save the collapse and tie- up. "Flash-lights from the Seven Seas", William L. Stidger Commentator: Bishop Francis J. McConnell.
While I was sitting in my wet clothes and talking our situation over, I became so cold and exhausted that I felt I was about to collapse altogether. "An Explorer's Adventures in Tibet", A. Henry Savage Landor.
I had reason to fear- how much reason I did not even then realize- they would be interfered with, and that a terrible collapse threatened us. "The Passenger from Calais", Arthur Griffiths.