"Footing" is a versatile word that can refer to the literal placement of one's feet or the figurative foundation of a project or relationship. Some synonyms that capture the physical aspect of footing include "step," "footprint," and "stance." When discussing the support or basis of something, synonyms for "footing" include "grounding," "base," "underpinning," and "framework." "Footing" can also refer to an equal position in a relationship or negotiation, and synonyms such as "parity," "equality," and "balance" can be used to convey this meaning. Ultimately, the choice of synonym depends on the context in which "footing" is being used.