Definition of set (or put) one's seal to (or on) in US English:

set (or put) one's seal to (or on)


  • Mark with one's distinctive character.

    ‘it was the Stewart dynasty which most markedly set its seal on the place’
    • ‘The two groups are attempting to set their seal on a key emerging area of wireless technology, mesh networking, by pushing a new standard.’
    • ‘A number of nobles, knights and aldermen of Mechelen were called upon to witness and put their seal to the legal document.’