Sentence:  Accordingly, Mr. Stryver inaugurated the Long Vacation with a formal proposal to take Miss Manette to Vauxhall Gardens; that failing, to Ranelagh; that unaccountably failing too, it <WSD>behoved</WSD> him to present himself in Soho, and there declare his noble mind. 
Meaning of the word marked with <WSD> tags:  To be necessary for (someone).