The Collaborative International Dictionary of English v.0.48:
Conjointly \Con*joint"ly\, adv. In a conjoint manner; untitedly; jointly; together. --Sir T. Browne. [1913 Webster]WordNet (r) 3.0 (2006):
conjointly adv 1: in conjunction with; combined; "our salaries put together couldn't pay for the damage"; "we couldn't pay for the damages with all our salaries put together" [syn: jointly, collectively, conjointly, together with]