The people of Europe have always had military traditions and cultivation to fall back upon in their civil wars.
He'd be 'thankful' to hear that his worst enemy had an uncle to fall back upon.
It is the exercise of this power to fall back upon itself, that is called reflection.
He turned; and that which he saw caused him to fall back upon his fellows.
It was his first bitter lesson in life, and there were few to fall back upon for advice or consolation.
If only we were in town, we could fall back upon stuffed trotters.
In real art it is not always necessary to fall back upon logic.
The sound of the water seemed to break in the tree-tops and fall back upon me.
You have the best of it there, and I fall back upon authority.
If these are not sufficient to guide us we must fall back upon psychometry.
Old English feallan (class VII strong verb; past tense feoll, past participle feallen) "to fall; fail, decay, die," from Proto-Germanic *fallanan (cf. Old Frisian falla, Old Saxon fallan, Dutch vallen, Old Norse falla, Old High German fallan, German fallen), from PIE root *pol- "to fall" (cf. Armenian p'ul "downfall," Lithuanian puola "to fall," Old Prussian aupallai "finds," literally "falls upon").
Most of the figurative senses had developed in Middle English. Meaning "to be reduced" (as temperature) is from 1650s. To fall in love is attested from 1520s; to fall asleep is late 14c. Fall through "come to naught" is from 1781. To fall for something is from 1903.
c.1200, "a falling;" see fall (n.). Old English noun form, fealle, meant "snare, trap." Sense of "autumn" (now only in U.S.) is 1660s, short for fall of the leaf (1540s). That of "cascade, waterfall" is from 1570s. Wrestling sense is from 1550s. Of a city under siege, etc., 1580s. Fall guy is from 1906.
: This your first fall, ain't it?/ Another fall meant a life sentence (1893+)