The Collaborative International Dictionary of English v.0.48:
Minister \Min"is*ter\, v. t. [imp. & p. p. Ministered; p. pr.
& vb. n. Ministering.] [OE. ministren, OF. ministrer, fr.
L. ministrare. See Minister, n.]
To furnish or apply; to afford; to supply; to administer.
He that ministereth seed to the sower. --2 Cor. ix.
We minister to God reason to suspect us. --Jer. Taylor.
Moby Thesaurus II by Grady Ward, 1.0:
38 Moby Thesaurus words for "ministering":
accessory, adjuvant, agential, agentival, agentive, ancillary,
assistant, assisting, attendant, attending, auxiliary, conducive,
employable, facilitating, favoring, forwarding, fostering, handy,
helpful, helping, instrumental, intermediary, mediating,
mediatorial, menial, ministerial, ministrant, nurtural, nutricial,
promoting, serviceable, servile, serving, servitorial, subservient,
subsidiary, useful, waiting