Il′le‐git″i‐mate (?), v. t. [imp. & p. p.Illegitimated (?); p. pr. & vb. n.Illegitimating.] To render illegitimate; to declare or prove to be born out of wedlock; to bastardize; to illegitimatize.
The marriage should only be dissolved for the future, without illegitimating the issue. Bp. Burnet.