Synonyms of underpin

Verb

1. underpin, hold, support, sustain, hold up

usage: support from beneath

2. corroborate, underpin, bear out, support, match, fit, correspond, check, jibe, gibe, tally, agree

usage: support with evidence or authority or make more certain or confirm; "The stories and claims were born out by the evidence"

Definition and meaning of underpin (Dictionary)