What is another word for "spur"?

Roget's Thesaurus (1911) lists these synonyms for "spur": actual, age, all, alone, already, and, another, any, aorist, aoristic, away, being, blink, breath, but, century, comes, creature, crisis, current, day, different, done, early, epoch, even, eventually, extant, extemporaneous, extempore, extemporize, eye, fell, fine, flash, for, from, hand, haste, hour.