Accord
Mutual understanding
Barter
Trade, swap
Curt
rude, brusque, terse, summary
Devise
contrive, work out, design
Dexterous
agile, handy, deft
Engross
Immerse, preoccupy
Entail
Necessitate
Ferret
track down, sniff out
Habituate
inure, get used to
Impending
imminent, upcoming
Personable
agreeable, likable
Rue
Repent
Scoff
ridicule, laugh at
Transition
conversion, switch, passage
Trepidation
dread, anxiety, apprehension
Upbraid
bawl out, reprimand
Vex
irritate, irk, puzzle, distress
Vitality
verve, stamina
Whimsical
odd, peculiar, quaint, fanciful