The 24-year-old had slipped down the pecking order at Arsenal after being restricted by injuries in the last two seasons.
"He's settled into the changing room and the dynamics of the group seamlessly," Howe told reporters. "He has been very bright and good in training.
"As you would expect his quality on the ball is obvious and his technical ability is of a very high level.
"We'll wait and see what my team selection is, but I think he has naturally given the place a lift. There's been a positive impact around the squad."
Bournemouth are second from bottom in the league standings with one point from their opening three games.
(Reporting by Ian Rodricks in Bengaluru; editing by Sudipto Ganguly)
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