Behalf/bɪˈhæf/ Definition 1 of 2Pro Tip 1/3Proxy Actions Used when someone takes action on someone else's account, often formally. The lawyer negotiated on behalf of her client. Pro Tip 2/3Expressing Support Shows support or a position in favor of someone, especially in group settings. Our team stands on behalf of the charity initiative. Pro Tip 3/3Impersonality Indicates actions or statements lack personal involvement; conducted as a representative. On behalf of the committee, I present these findings.