bond (n.) 2
duty, commitment, obligation
AC I.iv.84 [Caesar to Lepidus, agreeing to his request] I knew it for my bond
Cym V.i.7 [Posthumus alone] Every good servant does not all commands: / No bond, but to do just ones
KL I.i.93 [Cordelia to Lear] I love your majesty / According to my bond [i.e. filial duty]
MM V.i.8 [Angelo to Duke] You make my bonds still greater
Tim I.i.148 [Timon to Old Athenian, of rewarding Lucilius with a dowry] 'tis a bond in men