sycophantic (adj.)

• abject
• adulatory
• beggarly
• bland
• bootlicking
• buttery
• complimentary
• courtly
• cringing
• fawning
• flattering
• fulsome
• groveling
• gushing
• hangdog
• honeyed
• ingratiating
• insincere
• insinuating
• mealymouthed
• obsequious
• oily
• parasitic
• prostrate
• slimy
• smarmy
• smooth
• smooth-spoken
• smooth-tongued
• soapy
• timeserving
• toadyish
• unctuous