1. (n.) The act of becoming surety for another.

2. (n.) An act or engagement on behalf of a state, by an agent not specially authorized for the purpose, or by one who exceeds the limits of authority.

abetment advocacy aegis auspices backing capitalization care championship charity countenance deficit financing encouragement favor financial backing financial support financing fosterage funding goodwill grubstake guarantorship guidance interest patronage patronization provision of capital seconding sponsion stake subsidy support sympathy tutelage