Luke 22:5  KJV  "And they were glad, and covenanted to give him money."

Interpretation based on the following study:  Moreover, in gladness and rejoicing, freely bestowing liberally, consenting in covenant together, to choose and purpose Himself as the price and payment of deliverance.

Greek:  kai ekaresan kai sunathento auto argurion dounai

Definitions/Greek Strong's numbers:

2532-kai:  and, also, even, so then too, both, indeed, moreover, therefore

5463-kairo:  cheerful, calmly happy, well, glad, to rejoice and be glad, calm delight, gladness, joyful, occasion or cause of joy, to abound, divine influence upon the heart reflected in life of gratitude, thankful, friendly disposition from which goodwill proceeds forth in thanksgiving, spontaneous and free expression of joy and gratitude, rejoicing occasioned by favor and grace bestowed, divine gratuity, deliverance, free bestowment not based on merit but liberality of the give that evokes a deep sense of acknowledgement in gratitude and thanksgiving, pouring forth of praise and thanksgiving

2532-kai:  and, also, even, so then too, both, indeed, moreover, therefore

4934-suntithemai:  to place jointly, to consent and concur together with, to agree and assent near beside, covenant and put together in association and communion with, to make an agreement in companionship with, agreed, to tend and feed in union with, to settle and produce in association, to oversee in companionship, to appoint in resemblance, to set and ordain in full possession, to make and produce beside, to accompany to choose and commit in completeness, to purpose and ordain in harmonious accord, to appoint in congruent nature

846-autos:  self, alone, mine own, self same, this, -selves

694-argurion:  shining, silvery, silver, gold, money, price, payment, valuable, pure, refined, to glow, shine forth, to lighten, bring light, brighten, enlighten, to teach, point out forth, shew forth, instruct, direct, own, mark, possess, occupy in close association, union, joined, coupled

1325-didomi:  to give, grant, put, shew, deliver, make, bestow, bring forth, commit, offer, have power, set, suffer, yield

Definitions derived from:  The New Strong's Expanded Exhaustive Concordance of the Bible, red letter edition, Hebrew & Greek Dictionary, 2010 edition.  CWP Teacher edition Interlinear Bible.