advantageous
ad·van·ta·geous
/ˌædˌvænˈteıʤəs/ adj [more ~; most ~]
: helpful or favorable : giving an advantage to someone
He found it advantageous [=beneficial] to arrive early.
These changes will be advantageous to you. [=will help you]
Her experience placed her in an advantageous position to apply for the job.
— opposite disadvantageous
ad·van·ta·geous·ly adv
Where can we invest the money most advantageously?