| begrĂĽnden Âerhärten Âfundieren Âstärken Âuntermauern |
| ankurbeln Âintensivieren Âstärken ÂstĂĽtzen Âuntermauern Âverstärken |
| Underpin (v. t.) To lay stones, masonry, etc., under, as the sills of a building, on which it is to rest. |
| Underpin (v. t.) To support by some solid foundation |
| underpin | support from beneath |
| corroborate underpin bear out support | support with evidence or authority or make more certain or confirm, The stories and claims were born out by the evidence |