fa‧vour‧a‧ble British English ; favorable American English
a favourable report, opinion, or reaction shows that you think that someone or something is good or that you agree with them:
favourable film reviews
The response has been overwhelmingly favorable.
suitable and likely to make something happen or succeed:
The disease spreads quickly under favourable conditions.
a financial environment that is favorable to job creation
if a loan, agreement, rate etc is favourable, the conditions of it are reasonable and not too expensive or difficult:
a favourable interest rate
the favorable terms of the settlement
making people like or approve of someone or something:
A smart appearance makes a favourable impression at an interview.