The Collaborative International Dictionary
Leaguing
League \League\, v. i. [imp. & p. p. Leagued; p. pr. & vb. n.
Leaguing.] [Cf. F. se liguer. See 2d League.]
To unite in a league or confederacy; to combine for mutual
support; to confederate.
--South.
Wiktionary
leaguing
vb. (present participle of league English)
Usage examples of "leaguing".
It isn't easy to gain an appointment with the Secretary-General, young man, but if you can, you must tell him that Electors Boundbridge and Satrap are leaguing with General Forcemain to attempt a coup d'etat.
It is possible that the religion which she secretly professes has estranged her heart from me, but she would never be capable of betraying me, or of leaguing herself with my foes.
The Two Tongues probably had some self-interest in leaguing himself with my husband's old enemy.