"espousal" in the noun sense
1. bridal, espousal
archaic terms for a wedding or wedding feast
2. betrothal, espousal
the act of becoming betrothed or engaged
3. adoption, acceptance, acceptation, espousal
the act of accepting with approval favorable reception
"its adoption by society"
"the proposal found wide acceptance"
Source: WordNet® (An amazing lexical database of English)
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