rely

 
Pronunciation: /rɪˈlʌɪ/

verb (relies, relying, relied)

[no object] (rely on/upon)
  • depend on with full trust or confidence: I know I can rely on your discretion
  • be dependent on: the charity has to rely entirely on public donations

Origin:

Middle English: from Old French relier 'bind together', from Latin religare, from re- (expressing intensive force) + ligare 'bind'. The original sense was 'gather together', later 'turn to, associate with', whence 'depend upon with confidence'