Buttressing

Beyond stone and mortar, "buttressing" is used as a verb to describe strengthening intangible things:

Buttressing is the act of providing external support to a structure or an idea to reinforce its stability. Whether in architecture or rhetoric, it serves as a crucial foundation for strength. 1. Architectural Foundations buttressing

: To allow for taller buildings and thinner walls without the risk of collapse. Beyond stone and mortar, "buttressing" is used as