Cressant \c-ressa-nt, cr(es)-sant\ as a girl's name is a variant of Crescent (Old French), and the meaning of Cressant is "increasing, growing". The baby name Cressant sounds like Cressent, Cressentya, Cressentia, Crescenta, Crisanta and Chrissanta. Other similar baby names are Cressida and Cressa.