All 6 Uses

commend
in
Henry IV, Part 2
(Auto-generated)

Commend me to my cousin Westmoreland.
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commend = recommend (express a favorable opinion of)
I commend me to thee, I commend thee, and I leave thee.†
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I commend me to thee, I commend thee, and I leave thee.†
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My captain, sir, commends him to you; my captain, Sir John Falstaff, a tall gentleman, by heaven, and a most gallant leader.†
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it is good; yea, indeed, is it: good phrases are surely, and ever were, very commendable.†
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commendable = deserving of praise

standard suffix: The suffix "-able" means able to be. This is the same pattern you see in words like breakable, understandable, and comfortable.
you can do it, sir; you can do it: I commend you well.†
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Definitions:

(1) (commend as in: I commend her work)
praise or recommend
(2) (commend as in: I commend her to your care)
to entrust to another for future care
(3) (meaning too rare to warrant focus)