Sentence:  The times I can recall when I was publicly humiliated by him - lovely dinner parties in our Trianon Suite where the collation was postponed and postponed and postponed , only to be served dry and overcooked at a table where the host 's chair <WSD>was</WSD> vacant ; a `` splash party '' at the new pool , which I had built in the hope of keeping Letch away from public beaches , when Letch and a certain Aquacutie stayed underwater together for the better part of an hour ; a lovely Epiphany party at Errol Flynn 's , on which sacred occasion Letch stole away with an unknown `` starlet '' , leaving me `` high and dry '' to get home as best I could . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)