recruit

1. (archaic) To replenish, renew, or reinvigorate by fresh supplies; to remedy a lack or deficiency in.Examples: "Her cheeks glow the brighter, recruiting their colour."; "“You have surprized my poor niece so, that she can hardly, I see, support herself.——Go, my dear, retire, and endeavour to recruit your spirits; for I see you have occasion.” At which words Sophia, who never received a more welcome command, hastily withdrew."; "[…] I, abstemious naturally, and rendered so by the fever that preyed on me, was forced to recruit myself with food."archaic

2. (biology, intransitive) To become an adult or breeding-age member of a population.intransitive

3. (biochemistry) To prompt a protein, leucocyte. etc. to intervene in a given region of the body.

4. (dated, intransitive) To recuperate; to gain health, flesh, spirits, or the like.Examples: "Lean cattle recruit in fresh pastures."; "Go to the country to recruit."; "Here it was certain she rapidly recovered her lost strength, and recruited her wasted form; and here she received the letters of her beloved family, relating many circumstances well known to our readers, but new to the travellers, the tidings having far to go."datedintransitive