en·treat 
(
ĕn-tr
ēt
)
v. en·treat·ed, en·treat·ing, en·treats
v.tr.1. To make an earnest request of (someone). See Synonyms at beg.
2. To ask for earnestly; petition for:
"She made a hasty gesture with her hand, as if to entreat my patience and my silence" (Charles Dickens). 3. Archaic To deal with; treat.
v.intr. To make an earnest request or petition.
[Middle English entreten, from Anglo-Norman entreter : en-, causative pref.; see EN-1 + treter, to treat; see TREAT.]
en·treating·ly adv.
en·treatment n.