To recommend, support, or advise.
Advocate (v)
The capability to perform a particular action or fulfill a given function. Or the total amount a container can hold. Or a particular position or role.
Capacity
Say negative things about, particularly in a defamatory way.
Denigrate
A sad poem or song, often in remembrance of someone deceased
elegy
Talking confidently, but carelessly or insincerely
Glib
Scold or to advise firmly
Admonish
Honest, open
Candid
Skill, acumen or manual dexterity
Deftness
To provoke a response
elicit
Craftiness and cunning
Guile
To diminish in intensity or to cause to diminish in intensity
Abate
Loud and chaotic noise
Cacophony
Funeral or mourning lament
Dirge
Short lived or transient
Ephemeral
To nudge someone into action
Galvanize
To leave secretly, evading detection
Abscond
In accordance with, proportional
Commensurate
Shy, timid, or reserved due to a lack of confidence
Diffident
Incorrect
Erroneous
Talkative
Garrulous
Promptness and eagerness
Alacrity
Corrosive or bitterly sarcastic
Caustic
Diatribe
To make something worse
exacerbate
Sociable, genial
Gregarious